113402525 has 24 divisors (see below), whose sum is σ = 144693120. Its totient is φ = 88133760.

The previous prime is 113402503. The next prime is 113402537. The reversal of 113402525 is 525204311.

It is not a de Polignac number, because 113402525 - 2²⁰ = 112353949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113402525.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 131897 + ... + 132753.

It is an arithmetic number, because the mean of its divisors is an integer number (6028880).

Almost surely, 2^113402525 is an apocalyptic number.

It is an amenable number.

113402525 is a deficient number, since it is larger than the sum of its proper divisors (31290595).

113402525 is an equidigital number, since it uses as much as digits as its factorization.

113402525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 1008 counting only the distinct ones).

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

The square root of 113402525 is about 10649.0621652801. The cubic root of 113402525 is about 484.0321862916.

Adding to 113402525 its reverse (525204311), we get a palindrome (638606836).

The spelling of 113402525 in words is "one hundred thirteen million, four hundred two thousand, five hundred twenty-five".