113315225 has 6 divisors (see below), whose sum is σ = 140510910. Its totient is φ = 90652160.

The previous prime is 113315207. The next prime is 113315243. The reversal of 113315225 is 522513311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (113315207) and next prime (113315243).

It can be written as a sum of positive squares in 3 ways, for example, as 37503376 + 75811849 = 6124^2 + 8707^2 .

It is not a de Polignac number, because 113315225 - 2⁶ = 113315161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113315225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2266280 + ... + 2266329.

It is an arithmetic number, because the mean of its divisors is an integer number (23418485).

Almost surely, 2^113315225 is an apocalyptic number.

It is an amenable number.

113315225 is a deficient number, since it is larger than the sum of its proper divisors (27195685).

113315225 is an equidigital number, since it uses as much as digits as its factorization.

113315225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4532619 (or 4532614 counting only the distinct ones).

The product of its digits is 900, while the sum is 23.

The square root of 113315225 is about 10644.9624236068. The cubic root of 113315225 is about 483.9079478535.

Adding to 113315225 its reverse (522513311), we get a palindrome (635828536).

The spelling of 113315225 in words is "one hundred thirteen million, three hundred fifteen thousand, two hundred twenty-five".