252572135745 has 16 divisors (see below), whose sum is σ = 406827604800. Its totient is φ = 133801076544.

The previous prime is 252572135731. The next prime is 252572135759. The reversal of 252572135745 is 547531275252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (252572135731) and next prime (252572135759).

It is not a de Polignac number, because 252572135745 - 2⁴ = 252572135729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252572135694 and 252572135703.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56501599 + ... + 56506068.

It is an arithmetic number, because the mean of its divisors is an integer number (25426725300).

Almost surely, 2^252572135745 is an apocalyptic number.

It is an amenable number.

252572135745 is a deficient number, since it is larger than the sum of its proper divisors (154255469055).

252572135745 is a wasteful number, since it uses less digits than its factorization.

252572135745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113007824.

The product of its digits is 2940000, while the sum is 48.

The spelling of 252572135745 in words is "two hundred fifty-two billion, five hundred seventy-two million, one hundred thirty-five thousand, seven hundred forty-five".