252353650865 has 16 divisors (see below), whose sum is σ = 310439718336. Its totient is φ = 196823390400.

The previous prime is 252353650853. The next prime is 252353650903. The reversal of 252353650865 is 568056353252.

It is a happy number.

It is not a de Polignac number, because 252353650865 - 2²⁰ = 252352602289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 968471 + ... + 1201100.

It is an arithmetic number, because the mean of its divisors is an integer number (19402482396).

Almost surely, 2^252353650865 is an apocalyptic number.

It is an amenable number.

252353650865 is a deficient number, since it is larger than the sum of its proper divisors (58086067471).

252353650865 is a wasteful number, since it uses less digits than its factorization.

252353650865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170160.

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 252353650865 in words is "two hundred fifty-two billion, three hundred fifty-three million, six hundred fifty thousand, eight hundred sixty-five".