113520425 has 12 divisors (see below), whose sum is σ = 143153040. Its totient is φ = 89275920.

The previous prime is 113520401. The next prime is 113520427. The reversal of 113520425 is 524025311.

It is not a de Polignac number, because 113520425 - 2¹² = 113516329 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 113520425.

It is not an unprimeable number, because it can be changed into a prime (113520427) 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 11 ways as a sum of consecutive naturals, for example, 37007 + ... + 39956.

It is an arithmetic number, because the mean of its divisors is an integer number (11929420).

Almost surely, 2^113520425 is an apocalyptic number.

It is an amenable number.

113520425 is a deficient number, since it is larger than the sum of its proper divisors (29632615).

113520425 is an equidigital number, since it uses as much as digits as its factorization.

113520425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77032 (or 77027 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 113520425 is about 10654.5964259563. The cubic root of 113520425 is about 484.1998710625.

Adding to 113520425 its reverse (524025311), we get a palindrome (637545736).

The spelling of 113520425 in words is "one hundred thirteen million, five hundred twenty thousand, four hundred twenty-five".