315525516 has 12 divisors (see below), whose sum is σ = 736226232. Its totient is φ = 105175168.

The previous prime is 315525503. The next prime is 315525541. The reversal of 315525516 is 615525513.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13146885 + ... + 13146908.

It is an arithmetic number, because the mean of its divisors is an integer number (61352186).

Almost surely, 2^315525516 is an apocalyptic number.

It is an amenable number.

315525516 is an abundant number, since it is smaller than the sum of its proper divisors (420700716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315525516 is a wasteful number, since it uses less digits than its factorization.

315525516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26293800 (or 26293798 counting only the distinct ones).

The product of its digits is 22500, while the sum is 33.

The square root of 315525516 is about 17763.0379158521. The cubic root of 315525516 is about 680.7873780169.

The spelling of 315525516 in words is "three hundred fifteen million, five hundred twenty-five thousand, five hundred sixteen".