252505508025 has 24 divisors (see below), whose sum is σ = 417686971680. Its totient is φ = 134601475840.

The previous prime is 252505508023. The next prime is 252505508033. The reversal of 252505508025 is 520805505252.

It is not a de Polignac number, because 252505508025 - 2¹ = 252505508023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252505508023) 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, 702192 + ... + 999041.

It is an arithmetic number, because the mean of its divisors is an integer number (17403623820).

Almost surely, 2^252505508025 is an apocalyptic number.

252505508025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252505508025 is a deficient number, since it is larger than the sum of its proper divisors (165181463655).

252505508025 is a wasteful number, since it uses less digits than its factorization.

252505508025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703225 (or 1703220 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 39.

The spelling of 252505508025 in words is "two hundred fifty-two billion, five hundred five million, five hundred eight thousand, twenty-five".