252571506206525 has 48 divisors (see below), whose sum is σ = 342275850616128. Its totient is φ = 183357494208000.

The previous prime is 252571506206501. The next prime is 252571506206563. The reversal of 252571506206525 is 525602605175252.

It is a happy number.

It is not a de Polignac number, because 252571506206525 - 2²⁰ = 252571505157949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5777398967 + ... + 5777442683.

It is an arithmetic number, because the mean of its divisors is an integer number (7130746887836).

Almost surely, 2^{252571506206525} is an apocalyptic number.

252571506206525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252571506206525 is a deficient number, since it is larger than the sum of its proper divisors (89704344409603).

252571506206525 is a wasteful number, since it uses less digits than its factorization.

252571506206525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81102 (or 81097 counting only the distinct ones).

The product of its (nonzero) digits is 12600000, while the sum is 53.

The spelling of 252571506206525 in words is "two hundred fifty-two trillion, five hundred seventy-one billion, five hundred six million, two hundred six thousand, five hundred twenty-five".