252896555331 has 48 divisors (see below), whose sum is σ = 426749865984. Its totient is φ = 141309116352.

The previous prime is 252896555321. The next prime is 252896555333. The reversal of 252896555331 is 133555698252.

252896555331 is a `hidden beast` number, since 2 + 5 + 2 + 89 + 6 + 5 + 553 + 3 + 1 = 666.

It is not a de Polignac number, because 252896555331 - 2⁵ = 252896555299 is a prime.

It is a super-2 number, since 2×252896555331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252896555333) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3269206 + ... + 3345668.

It is an arithmetic number, because the mean of its divisors is an integer number (8890622208).

Almost surely, 2^252896555331 is an apocalyptic number.

252896555331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

252896555331 is a deficient number, since it is larger than the sum of its proper divisors (173853310653).

252896555331 is a wasteful number, since it uses less digits than its factorization.

252896555331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77640 (or 77637 counting only the distinct ones).

The product of its digits is 9720000, while the sum is 54.

The spelling of 252896555331 in words is "two hundred fifty-two billion, eight hundred ninety-six million, five hundred fifty-five thousand, three hundred thirty-one".