315525012 has 96 divisors (see below), whose sum is σ = 829954944. Its totient is φ = 92467200.

The previous prime is 315524987. The next prime is 315525031. The reversal of 315525012 is 210525513.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 936108 + ... + 936444.

It is an arithmetic number, because the mean of its divisors is an integer number (8645364).

Almost surely, 2^315525012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315525012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414977472).

315525012 is an abundant number, since it is smaller than the sum of its proper divisors (514429932).

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

315525012 is a wasteful number, since it uses less digits than its factorization.

315525012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 315525012 is about 17763.0237290840. The cubic root of 315525012 is about 680.7870155348.

The spelling of 315525012 in words is "three hundred fifteen million, five hundred twenty-five thousand, twelve".