252777775025 has 12 divisors (see below), whose sum is σ = 323555553024. Its totient is φ = 195698922000.

The previous prime is 252777774983. The next prime is 252777775027. The reversal of 252777775025 is 520577777252.

It is not a de Polignac number, because 252777775025 - 2²⁶ = 252710666161 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252777775027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163081661 + ... + 163083210.

It is an arithmetic number, because the mean of its divisors is an integer number (26962962752).

Almost surely, 2^252777775025 is an apocalyptic number.

252777775025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252777775025 is a deficient number, since it is larger than the sum of its proper divisors (70777777999).

252777775025 is a wasteful number, since it uses less digits than its factorization.

252777775025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326164912 (or 326164907 counting only the distinct ones).

The product of its (nonzero) digits is 16807000, while the sum is 56.

The spelling of 252777775025 in words is "two hundred fifty-two billion, seven hundred seventy-seven million, seven hundred seventy-five thousand, twenty-five".