252560766525 has 24 divisors (see below), whose sum is σ = 417813987360. Its totient is φ = 134619445440.

The previous prime is 252560766487. The next prime is 252560766529. The reversal of 252560766525 is 525667065252.

It is not a de Polignac number, because 252560766525 - 2¹⁵ = 252560733757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252560766529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 867555 + ... + 1121504.

It is an arithmetic number, because the mean of its divisors is an integer number (17408916140).

Almost surely, 2^252560766525 is an apocalyptic number.

252560766525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252560766525 is a deficient number, since it is larger than the sum of its proper divisors (165253220835).

252560766525 is a wasteful number, since it uses less digits than its factorization.

252560766525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990765 (or 1990760 counting only the distinct ones).

The product of its (nonzero) digits is 7560000, while the sum is 51.

The spelling of 252560766525 in words is "two hundred fifty-two billion, five hundred sixty million, seven hundred sixty-six thousand, five hundred twenty-five".