113530225 has 24 divisors (see below), whose sum is σ = 148795040. Its totient is φ = 85691520.

The previous prime is 113530223. The next prime is 113530237. The reversal of 113530225 is 522035311.

It is not a de Polignac number, because 113530225 - 2¹ = 113530223 is a prime.

It is a super-2 number, since 2×113530225² = 25778223977101250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113530196 and 113530205.

It is not an unprimeable number, because it can be changed into a prime (113530223) 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 23 ways as a sum of consecutive naturals, for example, 216814 + ... + 217336.

Almost surely, 2^113530225 is an apocalyptic number.

It is an amenable number.

113530225 is a deficient number, since it is larger than the sum of its proper divisors (35264815).

113530225 is a wasteful number, since it uses less digits than its factorization.

113530225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 113530225 is about 10655.0563114420. The cubic root of 113530225 is about 484.2138040095.

Adding to 113530225 its reverse (522035311), we get a palindrome (635565536).

The spelling of 113530225 in words is "one hundred thirteen million, five hundred thirty thousand, two hundred twenty-five".