113612251 has 4 divisors (see below), whose sum is σ = 113719600. Its totient is φ = 113504904.

The previous prime is 113612243. The next prime is 113612263. The reversal of 113612251 is 152216311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113612251 - 2³ = 113612243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113612221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52071 + ... + 54208.

It is an arithmetic number, because the mean of its divisors is an integer number (28429900).

Almost surely, 2^113612251 is an apocalyptic number.

113612251 is a deficient number, since it is larger than the sum of its proper divisors (107349).

113612251 is a wasteful number, since it uses less digits than its factorization.

113612251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107348.

The product of its digits is 360, while the sum is 22.

The square root of 113612251 is about 10658.9047748819. The cubic root of 113612251 is about 484.3303913466.

Adding to 113612251 its reverse (152216311), we get a palindrome (265828562).

The spelling of 113612251 in words is "one hundred thirteen million, six hundred twelve thousand, two hundred fifty-one".