252775525506 has 48 divisors (see below), whose sum is σ = 588684107520. Its totient is φ = 72148618080.

The previous prime is 252775525501. The next prime is 252775525511. The reversal of 252775525506 is 605525577252.

It is an interprime number because it is at equal distance from previous prime (252775525501) and next prime (252775525511).

It is not an unprimeable number, because it can be changed into a prime (252775525501) 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, 142441 + ... + 725148.

It is an arithmetic number, because the mean of its divisors is an integer number (12264252240).

Almost surely, 2^252775525506 is an apocalyptic number.

252775525506 is an abundant number, since it is smaller than the sum of its proper divisors (335908582014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252775525506 is a wasteful number, since it uses less digits than its factorization.

252775525506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868599 (or 868592 counting only the distinct ones).

The product of its (nonzero) digits is 7350000, while the sum is 51.

The spelling of 252775525506 in words is "two hundred fifty-two billion, seven hundred seventy-five million, five hundred twenty-five thousand, five hundred six".