231252524 has 6 divisors (see below), whose sum is σ = 404691924. Its totient is φ = 115626260.

The previous prime is 231252499. The next prime is 231252533. The reversal of 231252524 is 425252132.

It is a junction number, because it is equal to n+sod(n) for n = 231252493 and 231252502.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28906562 + ... + 28906569.

It is an arithmetic number, because the mean of its divisors is an integer number (67448654).

Almost surely, 2^231252524 is an apocalyptic number.

It is an amenable number.

231252524 is a deficient number, since it is larger than the sum of its proper divisors (173439400).

231252524 is a wasteful number, since it uses less digits than its factorization.

231252524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57813135 (or 57813133 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 231252524 is about 15206.9893141279. The cubic root of 231252524 is about 613.8027462159.

The spelling of 231252524 in words is "two hundred thirty-one million, two hundred fifty-two thousand, five hundred twenty-four".