252457005597 has 16 divisors (see below), whose sum is σ = 343788095232. Its totient is φ = 164715644480.

The previous prime is 252457005589. The next prime is 252457005601. The reversal of 252457005597 is 795500754252.

It is a cyclic number.

It is not a de Polignac number, because 252457005597 - 2³ = 252457005589 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252457005517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4517647 + ... + 4573187.

It is an arithmetic number, because the mean of its divisors is an integer number (21486755952).

Almost surely, 2^252457005597 is an apocalyptic number.

It is an amenable number.

252457005597 is a deficient number, since it is larger than the sum of its proper divisors (91331089635).

252457005597 is a wasteful number, since it uses less digits than its factorization.

252457005597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87828.

The product of its (nonzero) digits is 4410000, while the sum is 51.

The spelling of 252457005597 in words is "two hundred fifty-two billion, four hundred fifty-seven million, five thousand, five hundred ninety-seven".