113575521 has 16 divisors (see below), whose sum is σ = 168782400. Its totient is φ = 67511808.

The previous prime is 113575507. The next prime is 113575523. The reversal of 113575521 is 125575311.

It is not a de Polignac number, because 113575521 - 2⁵ = 113575489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113575523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57636 + ... + 59573.

It is an arithmetic number, because the mean of its divisors is an integer number (10548900).

Almost surely, 2^113575521 is an apocalyptic number.

It is an amenable number.

113575521 is a deficient number, since it is larger than the sum of its proper divisors (55206879).

113575521 is a wasteful number, since it uses less digits than its factorization.

113575521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117248.

The product of its digits is 5250, while the sum is 30.

The square root of 113575521 is about 10657.1816630852. The cubic root of 113575521 is about 484.2781922439.

The spelling of 113575521 in words is "one hundred thirteen million, five hundred seventy-five thousand, five hundred twenty-one".