252556490 has 16 divisors (see below), whose sum is σ = 457655400. Its totient is φ = 100344000.

The previous prime is 252556489. The next prime is 252556511. The reversal of 252556490 is 94655252.

252556490 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 200817241 + 51739249 = 14171^2 + 7193^2 .

It is a super-2 number, since 2×252556490² = 127569561282240200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83261 + ... + 86240.

Almost surely, 2^252556490 is an apocalyptic number.

252556490 is a deficient number, since it is larger than the sum of its proper divisors (205098910).

252556490 is a wasteful number, since it uses less digits than its factorization.

252556490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169657.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 252556490 is about 15892.0259878972. The cubic root of 252556490 is about 632.1005638324.

The spelling of 252556490 in words is "two hundred fifty-two million, five hundred fifty-six thousand, four hundred ninety".