525252057772 has 24 divisors (see below), whose sum is σ = 990850952000. Its totient is φ = 242190677376.

The previous prime is 525252057769. The next prime is 525252057779. The reversal of 525252057772 is 277750252525.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (525252057779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4806897 + ... + 4914952.

Almost surely, 2^525252057772 is an apocalyptic number.

525252057772 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

525252057772 is a deficient number, since it is larger than the sum of its proper divisors (465598894228).

525252057772 is a wasteful number, since it uses less digits than its factorization.

525252057772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9722905 (or 9722903 counting only the distinct ones).

The product of its (nonzero) digits is 3430000, while the sum is 49.

The spelling of 525252057772 in words is "five hundred twenty-five billion, two hundred fifty-two million, fifty-seven thousand, seven hundred seventy-two".