315172452 has 48 divisors (see below), whose sum is σ = 889902720. Its totient is φ = 84751872.

The previous prime is 315172447. The next prime is 315172457. The reversal of 315172452 is 254271513.

It is an interprime number because it is at equal distance from previous prime (315172447) and next prime (315172457).

It is not an unprimeable number, because it can be changed into a prime (315172457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108927 + ... + 111782.

It is an arithmetic number, because the mean of its divisors is an integer number (18539640).

Almost surely, 2^315172452 is an apocalyptic number.

It is an amenable number.

315172452 is an abundant number, since it is smaller than the sum of its proper divisors (574730268).

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

315172452 is a wasteful number, since it uses less digits than its factorization.

315172452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220740 (or 220738 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 315172452 is about 17753.0969692614. The cubic root of 315172452 is about 680.5333560641.

The spelling of 315172452 in words is "three hundred fifteen million, one hundred seventy-two thousand, four hundred fifty-two".