113625731 has 4 divisors (see below), whose sum is σ = 114058032. Its totient is φ = 113193432.

The previous prime is 113625697. The next prime is 113625751. The reversal of 113625731 is 137526311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113625731 - 2⁶ = 113625667 is a prime.

It is a super-2 number, since 2×113625731² = 25821613490568722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113625694 and 113625703.

It is not an unprimeable number, because it can be changed into a prime (113625751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215756 + ... + 216281.

It is an arithmetic number, because the mean of its divisors is an integer number (28514508).

Almost surely, 2^113625731 is an apocalyptic number.

113625731 is a deficient number, since it is larger than the sum of its proper divisors (432301).

113625731 is an equidigital number, since it uses as much as digits as its factorization.

113625731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432300.

The product of its digits is 3780, while the sum is 29.

The square root of 113625731 is about 10659.5370912625. The cubic root of 113625731 is about 484.3495457231.

The spelling of 113625731 in words is "one hundred thirteen million, six hundred twenty-five thousand, seven hundred thirty-one".