252631577 has 16 divisors (see below), whose sum is σ = 292408704. Its totient is φ = 215712000.

The previous prime is 252631567. The next prime is 252631583. The reversal of 252631577 is 775136252.

It is a cyclic number.

It is not a de Polignac number, because 252631577 - 2¹⁴ = 252615193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252631577.

It is not an unprimeable number, because it can be changed into a prime (252631507) 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, 116927 + ... + 119067.

It is an arithmetic number, because the mean of its divisors is an integer number (18275544).

Almost surely, 2^252631577 is an apocalyptic number.

It is an amenable number.

252631577 is a deficient number, since it is larger than the sum of its proper divisors (39777127).

252631577 is a wasteful number, since it uses less digits than its factorization.

252631577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800.

The product of its digits is 88200, while the sum is 38.

The square root of 252631577 is about 15894.3882235209. The cubic root of 252631577 is about 632.1632004227.

The spelling of 252631577 in words is "two hundred fifty-two million, six hundred thirty-one thousand, five hundred seventy-seven".