113312225 has 24 divisors (see below), whose sum is σ = 160224120. Its totient is φ = 78750720.

The previous prime is 113312201. The next prime is 113312261. The reversal of 113312225 is 522213311.

It can be written as a sum of positive squares in 12 ways, for example, as 51595489 + 61716736 = 7183^2 + 7856^2 .

It is not a de Polignac number, because 113312225 - 2⁸ = 113311969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113312197 and 113312206.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4730 + ... + 15779.

It is an arithmetic number, because the mean of its divisors is an integer number (6676005).

Almost surely, 2^113312225 is an apocalyptic number.

It is an amenable number.

113312225 is a deficient number, since it is larger than the sum of its proper divisors (46911895).

113312225 is a wasteful number, since it uses less digits than its factorization.

113312225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20549 (or 20544 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 113312225 is about 10644.8215109508. The cubic root of 113312225 is about 483.9036773575.

Adding to 113312225 its reverse (522213311), we get a palindrome (635525536).

The spelling of 113312225 in words is "one hundred thirteen million, three hundred twelve thousand, two hundred twenty-five".