252559431 has 16 divisors (see below), whose sum is σ = 377599200. Its totient is φ = 166826304.

The previous prime is 252559427. The next prime is 252559441. The reversal of 252559431 is 134955252.

It is a happy number.

It is not a de Polignac number, because 252559431 - 2² = 252559427 is a prime.

It is a super-2 number, since 2×252559431² = 127572532374087522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252559421) 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, 39966 + ... + 45851.

It is an arithmetic number, because the mean of its divisors is an integer number (23599950).

Almost surely, 2^252559431 is an apocalyptic number.

252559431 is a deficient number, since it is larger than the sum of its proper divisors (125039769).

252559431 is a wasteful number, since it uses less digits than its factorization.

252559431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85935 (or 85929 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 252559431 is about 15892.1185183096. The cubic root of 252559431 is about 632.1030174096.

The spelling of 252559431 in words is "two hundred fifty-two million, five hundred fifty-nine thousand, four hundred thirty-one".