531315272 has 16 divisors (see below), whose sum is σ = 1039530240. Its totient is φ = 254107216.

The previous prime is 531315217. The next prime is 531315299. The reversal of 531315272 is 272513135.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1443608 + ... + 1443975.

It is an arithmetic number, because the mean of its divisors is an integer number (64970640).

Almost surely, 2^531315272 is an apocalyptic number.

It is an amenable number.

531315272 is a deficient number, since it is larger than the sum of its proper divisors (508214968).

531315272 is a wasteful number, since it uses less digits than its factorization.

531315272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887612 (or 2887608 counting only the distinct ones).

The product of its digits is 6300, while the sum is 29.

The square root of 531315272 is about 23050.2770482266. The cubic root of 531315272 is about 809.9361185205.

The spelling of 531315272 in words is "five hundred thirty-one million, three hundred fifteen thousand, two hundred seventy-two".