113243525 has 12 divisors (see below), whose sum is σ = 140800512. Its totient is φ = 90350640.

The previous prime is 113243503. The next prime is 113243531. The reversal of 113243525 is 525342311.

It is a happy number.

It is not a de Polignac number, because 113243525 - 2⁶ = 113243461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113243494 and 113243503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3662 + ... + 15488.

It is an arithmetic number, because the mean of its divisors is an integer number (11733376).

Almost surely, 2^113243525 is an apocalyptic number.

It is an amenable number.

113243525 is a deficient number, since it is larger than the sum of its proper divisors (27556987).

113243525 is a wasteful number, since it uses less digits than its factorization.

113243525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12220 (or 12215 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 113243525 is about 10641.5941005096. The cubic root of 113243525 is about 483.8058623646.

Adding to 113243525 its reverse (525342311), we get a palindrome (638585836).

The spelling of 113243525 in words is "one hundred thirteen million, two hundred forty-three thousand, five hundred twenty-five".