113055251 has 4 divisors (see below), whose sum is σ = 113223912. Its totient is φ = 112886592.

The previous prime is 113055223. The next prime is 113055289. The reversal of 113055251 is 152550311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 152550311 = 9497 ⋅16063.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113055251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113055211) 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, 83321 + ... + 84666.

It is an arithmetic number, because the mean of its divisors is an integer number (28305978).

Almost surely, 2^113055251 is an apocalyptic number.

113055251 is a deficient number, since it is larger than the sum of its proper divisors (168661).

113055251 is an equidigital number, since it uses as much as digits as its factorization.

113055251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168660.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 113055251 is about 10632.7442835799. The cubic root of 113055251 is about 483.5375951021.

The spelling of 113055251 in words is "one hundred thirteen million, fifty-five thousand, two hundred fifty-one".