252479856 has 20 divisors (see below), whose sum is σ = 652239752. Its totient is φ = 84159936.

The previous prime is 252479827. The next prime is 252479867. The reversal of 252479856 is 658974252.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 5259997 = 252479856 / (2 + 5 + 2 + 4 + 7 + 9 + 8 + 5 + 6).

It is a congruent number.

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, 2629951 + ... + 2630046.

Almost surely, 2^252479856 is an apocalyptic number.

It is an amenable number.

252479856 is an abundant number, since it is smaller than the sum of its proper divisors (399759896).

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

252479856 is a wasteful number, since it uses less digits than its factorization.

252479856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5260008 (or 5260002 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 252479856 is about 15889.6147215721. The cubic root of 252479856 is about 632.0366239525.

The spelling of 252479856 in words is "two hundred fifty-two million, four hundred seventy-nine thousand, eight hundred fifty-six".