113251157 has 4 divisors (see below), whose sum is σ = 113877036. Its totient is φ = 112625280.

The previous prime is 113251147. The next prime is 113251183. The reversal of 113251157 is 751152311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 61999876 + 51251281 = 7874^2 + 7159^2 .

It is a cyclic number.

It is not a de Polignac number, because 113251157 - 2⁴ = 113251141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113251147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312668 + ... + 313029.

It is an arithmetic number, because the mean of its divisors is an integer number (28469259).

Almost surely, 2^113251157 is an apocalyptic number.

It is an amenable number.

113251157 is a deficient number, since it is larger than the sum of its proper divisors (625879).

113251157 is an equidigital number, since it uses as much as digits as its factorization.

113251157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625878.

The product of its digits is 1050, while the sum is 26.

The square root of 113251157 is about 10641.9526873596. The cubic root of 113251157 is about 483.8167307517.

The spelling of 113251157 in words is "one hundred thirteen million, two hundred fifty-one thousand, one hundred fifty-seven".