A "math savant" refers to someone who is exceptionally skilled or talented in mathematics. It is used to describe individuals who have a natural ability or knack for understanding and solving complex mathematical problems. Full definition
Affleck plays a brilliant, but out of the ordinary obsessive compulsive assassin and math savant who gains Batman like combat skills only far more grueling. (thegunnrange.com)
Meanwhile, splitting numbers might allow math savants to factor 10 - digit numbers or easily identify large prime numbers, which are impossible to split. (discovermagazine.com)
Though it eventually squanders its intriguing premise of a math savant underworld forensic accountant who is also a sociopathic killer. (nzherald.co.nz)