252530612604 has 84 divisors (see below), whose sum is σ = 680497873944. Its totient is φ = 81901785312.

The previous prime is 252530612603. The next prime is 252530612627. The reversal of 252530612604 is 406216035252.

252530612604 is a `hidden beast` number, since 2 + 5 + 2 + 5 + 30 + 6 + 12 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252530612603) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1062402 + ... + 1278185.

It is an arithmetic number, because the mean of its divisors is an integer number (8101165166).

Almost surely, 2^252530612604 is an apocalyptic number.

It is an amenable number.

252530612604 is an abundant number, since it is smaller than the sum of its proper divisors (427967261340).

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

252530612604 is a wasteful number, since it uses less digits than its factorization.

252530612604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340646 (or 2340629 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 252530612604 its reverse (406216035252), we get a palindrome (658746647856).

The spelling of 252530612604 in words is "two hundred fifty-two billion, five hundred thirty million, six hundred twelve thousand, six hundred four".