113251291 has 2 divisors, whose sum is σ = 113251292. Its totient is φ = 113251290.

The previous prime is 113251289. The next prime is 113251337. The reversal of 113251291 is 192152311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113251291 - 2¹ = 113251289 is a prime.

Together with 113251289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (113251211) 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 as a sum of consecutive naturals, namely, 56625645 + 56625646.

It is an arithmetic number, because the mean of its divisors is an integer number (56625646).

Almost surely, 2^113251291 is an apocalyptic number.

113251291 is a deficient number, since it is larger than the sum of its proper divisors (1).

113251291 is an equidigital number, since it uses as much as digits as its factorization.

113251291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 25.

The square root of 113251291 is about 10641.9589831948. The cubic root of 113251291 is about 483.8169215707.

The spelling of 113251291 in words is "one hundred thirteen million, two hundred fifty-one thousand, two hundred ninety-one".