315925216 has 24 divisors (see below), whose sum is σ = 642043584. Its totient is φ = 152866560.

The previous prime is 315925201. The next prime is 315925219. The reversal of 315925216 is 612529513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315925219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158245 + ... + 160228.

It is an arithmetic number, because the mean of its divisors is an integer number (26751816).

Almost surely, 2^315925216 is an apocalyptic number.

It is an amenable number.

315925216 is an abundant number, since it is smaller than the sum of its proper divisors (326118368).

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

315925216 is a wasteful number, since it uses less digits than its factorization.

315925216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318514 (or 318506 counting only the distinct ones).

The product of its digits is 16200, while the sum is 34.

The square root of 315925216 is about 17774.2852458263. The cubic root of 315925216 is about 681.0747249782.

The spelling of 315925216 in words is "three hundred fifteen million, nine hundred twenty-five thousand, two hundred sixteen".