252136065 has 16 divisors (see below), whose sum is σ = 405232128. Its totient is φ = 133867776.

The previous prime is 252136043. The next prime is 252136067. The reversal of 252136065 is 560631252.

It is not a de Polignac number, because 252136065 - 2⁸ = 252135809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252136067) 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, 34344 + ... + 41033.

It is an arithmetic number, because the mean of its divisors is an integer number (25327008).

Almost surely, 2^252136065 is an apocalyptic number.

It is an amenable number.

252136065 is a deficient number, since it is larger than the sum of its proper divisors (153096063).

252136065 is a wasteful number, since it uses less digits than its factorization.

252136065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75608.

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

The square root of 252136065 is about 15878.7929327137. The cubic root of 252136065 is about 631.7496212516.

The spelling of 252136065 in words is "two hundred fifty-two million, one hundred thirty-six thousand, sixty-five".