252244857 has 16 divisors (see below), whose sum is σ = 344094080. Its totient is φ = 164322432.

The previous prime is 252244849. The next prime is 252244859. The reversal of 252244857 is 758442252.

It is not a de Polignac number, because 252244857 - 2³ = 252244849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252244859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18588 + ... + 29154.

It is an arithmetic number, because the mean of its divisors is an integer number (21505880).

Almost surely, 2^252244857 is an apocalyptic number.

It is an amenable number.

252244857 is a deficient number, since it is larger than the sum of its proper divisors (91849223).

252244857 is a wasteful number, since it uses less digits than its factorization.

252244857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10752.

The product of its digits is 179200, while the sum is 39.

The square root of 252244857 is about 15882.2182644617. The cubic root of 252244857 is about 631.8404709046.

The spelling of 252244857 in words is "two hundred fifty-two million, two hundred forty-four thousand, eight hundred fifty-seven".