252855897 has 16 divisors (see below), whose sum is σ = 394703232. Its totient is φ = 140964480.

The previous prime is 252855881. The next prime is 252855899. The reversal of 252855897 is 798558252.

It is not a de Polignac number, because 252855897 - 2⁴ = 252855881 is a prime.

It is a super-2 number, since 2×252855897² = 127872209295349218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252855899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145978 + ... + 147699.

It is an arithmetic number, because the mean of its divisors is an integer number (24668952).

Almost surely, 2^252855897 is an apocalyptic number.

It is an amenable number.

252855897 is a deficient number, since it is larger than the sum of its proper divisors (141847335).

252855897 is a wasteful number, since it uses less digits than its factorization.

252855897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293728.

The product of its digits is 2016000, while the sum is 51.

The square root of 252855897 is about 15901.4432363858. The cubic root of 252855897 is about 632.3502513314.

The spelling of 252855897 in words is "two hundred fifty-two million, eight hundred fifty-five thousand, eight hundred ninety-seven".