315225528 has 16 divisors (see below), whose sum is σ = 788063880. Its totient is φ = 105075168.

The previous prime is 315225527. The next prime is 315225529. The reversal of 315225528 is 825522513.

It is an interprime number because it is at equal distance from previous prime (315225527) and next prime (315225529).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315225527) 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, 6567175 + ... + 6567222.

Almost surely, 2^315225528 is an apocalyptic number.

It is an amenable number.

315225528 is an abundant number, since it is smaller than the sum of its proper divisors (472838352).

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

315225528 is a wasteful number, since it uses less digits than its factorization.

315225528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13134406 (or 13134402 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

The square root of 315225528 is about 17754.5917441095. The cubic root of 315225528 is about 680.5715552159.

It can be divided in two parts, 3152 and 25528, that added together give a triangular number (28680 = T₂₃₉).

The spelling of 315225528 in words is "three hundred fifteen million, two hundred twenty-five thousand, five hundred twenty-eight".