252556532 has 6 divisors (see below), whose sum is σ = 441973938. Its totient is φ = 126278264.

The previous prime is 252556529. The next prime is 252556547. The reversal of 252556532 is 235655252.

It can be written as a sum of positive squares in only one way, i.e., 213568996 + 38987536 = 14614^2 + 6244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 252556492 and 252556501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31569563 + ... + 31569570.

It is an arithmetic number, because the mean of its divisors is an integer number (73662323).

Almost surely, 2^252556532 is an apocalyptic number.

It is an amenable number.

252556532 is a deficient number, since it is larger than the sum of its proper divisors (189417406).

252556532 is a wasteful number, since it uses less digits than its factorization.

252556532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63139137 (or 63139135 counting only the distinct ones).

The product of its digits is 90000, while the sum is 35.

The square root of 252556532 is about 15892.0273093146. The cubic root of 252556532 is about 632.1005988717.

The spelling of 252556532 in words is "two hundred fifty-two million, five hundred fifty-six thousand, five hundred thirty-two".