252532331 has 16 divisors (see below), whose sum is σ = 275724000. Its totient is φ = 230381568.

The previous prime is 252532327. The next prime is 252532381. The reversal of 252532331 is 133235252.

It is a cyclic number.

It is not a de Polignac number, because 252532331 - 2² = 252532327 is a prime.

It is a super-2 number, since 2×252532331² = 127545156400587122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252532331.

It is not an unprimeable number, because it can be changed into a prime (252532381) 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, 71495 + ... + 74943.

It is an arithmetic number, because the mean of its divisors is an integer number (17232750).

Almost surely, 2^252532331 is an apocalyptic number.

252532331 is a deficient number, since it is larger than the sum of its proper divisors (23191669).

252532331 is a wasteful number, since it uses less digits than its factorization.

252532331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3598.

The product of its digits is 5400, while the sum is 26.

The square root of 252532331 is about 15891.2658715409. The cubic root of 252532331 is about 632.0804080718.

Adding to 252532331 its reverse (133235252), we get a palindrome (385767583).

The spelling of 252532331 in words is "two hundred fifty-two million, five hundred thirty-two thousand, three hundred thirty-one".