113525013 has 12 divisors (see below), whose sum is σ = 176079840. Its totient is φ = 64871352.

The previous prime is 113524979. The next prime is 113525021. The reversal of 113525013 is 310525311.

It is not a de Polignac number, because 113525013 - 2²² = 109330709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113565013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385993 + ... + 386286.

It is an arithmetic number, because the mean of its divisors is an integer number (14673320).

Almost surely, 2^113525013 is an apocalyptic number.

It is an amenable number.

113525013 is a deficient number, since it is larger than the sum of its proper divisors (62554827).

113525013 is an equidigital number, since it uses as much as digits as its factorization.

113525013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772296 (or 772289 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 113525013 is about 10654.8117299181. The cubic root of 113525013 is about 484.2063940563.

The spelling of 113525013 in words is "one hundred thirteen million, five hundred twenty-five thousand, thirteen".