113625131 has 4 divisors (see below), whose sum is σ = 113653872. Its totient is φ = 113596392.

The previous prime is 113625089. The next prime is 113625203. The reversal of 113625131 is 131526311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131526311 = 7 ⋅18789473.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113625131 is a prime.

It is a super-2 number, since 2×113625131² = 25821340789534322, 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 = 113625097 and 113625106.

It is not an unprimeable number, because it can be changed into a prime (113627131) 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, 7271 + ... + 16736.

It is an arithmetic number, because the mean of its divisors is an integer number (28413468).

Almost surely, 2^113625131 is an apocalyptic number.

113625131 is a deficient number, since it is larger than the sum of its proper divisors (28741).

113625131 is an equidigital number, since it uses as much as digits as its factorization.

113625131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28740.

The product of its digits is 540, while the sum is 23.

The square root of 113625131 is about 10659.5089474140. The cubic root of 113625131 is about 484.3486931866.

The spelling of 113625131 in words is "one hundred thirteen million, six hundred twenty-five thousand, one hundred thirty-one".