252631065 has 8 divisors (see below), whose sum is σ = 404209728. Its totient is φ = 134736560.

The previous prime is 252631021. The next prime is 252631109. The reversal of 252631065 is 560136252.

252631065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (252631021) and next prime (252631109).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252631065 - 2⁸ = 252630809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8421021 + ... + 8421050.

It is an arithmetic number, because the mean of its divisors is an integer number (50526216).

Almost surely, 2^252631065 is an apocalyptic number.

It is an amenable number.

252631065 is a deficient number, since it is larger than the sum of its proper divisors (151578663).

252631065 is a wasteful number, since it uses less digits than its factorization.

252631065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16842079.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 252631065 is about 15894.3721171992. The cubic root of 252631065 is about 632.1627733610.

The spelling of 252631065 in words is "two hundred fifty-two million, six hundred thirty-one thousand, sixty-five".