113978525 has 12 divisors (see below), whose sum is σ = 144341952. Its totient is φ = 89241840.

The previous prime is 113978521. The next prime is 113978531. The reversal of 113978525 is 525879311.

It is not a de Polignac number, because 113978525 - 2² = 113978521 is a prime.

It is a super-2 number, since 2×113978525² = 25982208322351250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113978521) 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, 47327 + ... + 49676.

It is an arithmetic number, because the mean of its divisors is an integer number (12028496).

Almost surely, 2^113978525 is an apocalyptic number.

It is an amenable number.

113978525 is a deficient number, since it is larger than the sum of its proper divisors (30363427).

113978525 is an equidigital number, since it uses as much as digits as its factorization.

113978525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97060 (or 97055 counting only the distinct ones).

The product of its digits is 75600, while the sum is 41.

The square root of 113978525 is about 10676.0725456509. The cubic root of 113978525 is about 484.8503098465.

The spelling of 113978525 in words is "one hundred thirteen million, nine hundred seventy-eight thousand, five hundred twenty-five".