252827125565 has 16 divisors (see below), whose sum is σ = 347607748992. Its totient is φ = 172930469184.

The previous prime is 252827125559. The next prime is 252827125591. The reversal of 252827125565 is 565521728252.

It is a cyclic number.

It is not a de Polignac number, because 252827125565 - 2¹⁰ = 252827124541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9083879 + ... + 9111668.

It is an arithmetic number, because the mean of its divisors is an integer number (21725484312).

Almost surely, 2^252827125565 is an apocalyptic number.

It is an amenable number.

252827125565 is a deficient number, since it is larger than the sum of its proper divisors (94780623427).

252827125565 is a wasteful number, since it uses less digits than its factorization.

252827125565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18195956.

The product of its digits is 3360000, while the sum is 50.

The spelling of 252827125565 in words is "two hundred fifty-two billion, eight hundred twenty-seven million, one hundred twenty-five thousand, five hundred sixty-five".