316522 has 4 divisors (see below), whose sum is σ = 474786. Its totient is φ = 158260.

The previous prime is 316507. The next prime is 316531. The reversal of 316522 is 225613.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 201601 + 114921 = 449^2 + 339^2 .

It is a super-3 number, since 3×316522³ = 95133386859205944, which contains 333 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 316522.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79129 + ... + 79132.

2³¹⁶⁵²² is an apocalyptic number.

316522 is a deficient number, since it is larger than the sum of its proper divisors (158264).

316522 is a wasteful number, since it uses less digits than its factorization.

316522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158263.

The product of its digits is 360, while the sum is 19.

The square root of 316522 is about 562.6028794807. The cubic root of 316522 is about 68.1503306190.

Subtracting from 316522 its reverse (225613), we obtain a palindrome (90909).

It can be divided in two parts, 316 and 522, that added together give a palindrome (838).

The spelling of 316522 in words is "three hundred sixteen thousand, five hundred twenty-two".