252272977525 has 12 divisors (see below), whose sum is σ = 313076418052. Its totient is φ = 201651978240.

The previous prime is 252272977513. The next prime is 252272977531. The reversal of 252272977525 is 525779272252.

It can be written as a sum of positive squares in 6 ways, for example, as 727596676 + 251545380849 = 26974^2 + 501543^2 .

It is not a de Polignac number, because 252272977525 - 2²¹ = 252270880373 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4129164 + ... + 4189813.

Almost surely, 2^252272977525 is an apocalyptic number.

252272977525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252272977525 is a deficient number, since it is larger than the sum of its proper divisors (60803440527).

252272977525 is a wasteful number, since it uses less digits than its factorization.

252272977525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8320200 (or 8320195 counting only the distinct ones).

The product of its digits is 12348000, while the sum is 55.

The spelling of 252272977525 in words is "two hundred fifty-two billion, two hundred seventy-two million, nine hundred seventy-seven thousand, five hundred twenty-five".