252858505361 has 16 divisors (see below), whose sum is σ = 320595425280. Its totient is φ = 193693062480.

The previous prime is 252858505313. The next prime is 252858505369. The reversal of 252858505361 is 163505858252.

It is a cyclic number.

It is not a de Polignac number, because 252858505361 - 2¹⁸ = 252858243217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252858505369) 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, 27824921 + ... + 27834006.

It is an arithmetic number, because the mean of its divisors is an integer number (20037214080).

Almost surely, 2^252858505361 is an apocalyptic number.

It is an amenable number.

252858505361 is a deficient number, since it is larger than the sum of its proper divisors (67736919919).

252858505361 is a wasteful number, since it uses less digits than its factorization.

252858505361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55659004.

The product of its (nonzero) digits is 2880000, while the sum is 50.

The spelling of 252858505361 in words is "two hundred fifty-two billion, eight hundred fifty-eight million, five hundred five thousand, three hundred sixty-one".