A 3-year-old boy has officially become the youngest member of the Mensa high IQ society, and even his own mother is blown away.

Muhammad Haryz Nadzim, a nursery school student, scored 142 on the Stanford-Binet IQ test. He was also evaluated by a psychologist, Haryz's mother, Nur Anira Asyikin told "Good Morning America."

MORE: You have to hear this blind 6-year-old play Queen's 'Bohemian Rhapsody' on the piano

British Mensa confirmed to "GMA" that Haryz was then invited to join the high IQ society, in which any person with an IQ in the top 2% of the world's population can join.

PHOTO: Muhammad Haryz Nadzim, a nursery school student, had scored 142 on the Stanford-Binet IQ test and is now the youngest member of the Mensa high IQ society. The 3-year-old is advanced in reading, mathematics and memorization.
Nur Anira Asyikin
Muhammad Haryz Nadzim, a nursery school student, had scored 142 on the Stanford-Binet IQ test and is now the youngest member of the Mensa high IQ society. The 3-year-old is advanced in reading, mathematics and memorization.
Editor's Picks

"I'm impressed with his achievement and knowing he is happy with what he is doing," Asyikin of the United Kingdom told "GMA" of her son. "He has been tested in fluid reasoning, knowledge, quantitative reasoning, visual-spatial processing and working memory which included in the Stanford-Binet IQ test"

PHOTO: Muhammad Haryz Nadzim, a nursery school student, had scored 142 on the Stanford-Binet IQ test and is now the youngest member of the Mensa high IQ society.
Nur Anira Asyikin
Muhammad Haryz Nadzim, a nursery school student, had scored 142 on the Stanford-Binet IQ test and is now the youngest member of the Mensa high IQ society.
MORE: Teen graduating with 4.7 GPA makes history as first African American male valedictorian at his Georgia high school

Although he is advanced in reading, mathematics and memorization, he is still a typical 3-year-old who enjoys 3-year-old things.

PHOTO: Muhammad Haryz Nadzim, a nursery school student, had scored 142 on the Stanford-Binet IQ test and is now the youngest member of the Mensa high IQ society. The 3-year-old also loves to read and paint.
Nur Anira Asyikin
Muhammad Haryz Nadzim, a nursery school student, had scored 142 on the Stanford-Binet IQ test and is now the youngest member of the Mensa high IQ society. The 3-year-old also loves to read and paint.

"He loves painting, singing, telling stories," Asyikin said.

PHOTO: Muhammad Haryz Nadzim, a nursery school student, had scored 142 on the Stanford-Binet IQ test and has officially become the youngest member of the Mensa high IQ society.
Nur Anira Asyikin
Muhammad Haryz Nadzim, a nursery school student, had scored 142 on the Stanford-Binet IQ test and has officially become the youngest member of the Mensa high IQ society.

In a video recorded by Asyikin and released to "GMA," Haryz can be heard reading "The Gruffalo" by author Julia Donaldson. The book, which has a recommended reading level of kindergarten through third grade, includes words like "terrible" and "roasted."