113622251 has 2 divisors, whose sum is σ = 113622252. Its totient is φ = 113622250.

The previous prime is 113622233. The next prime is 113622253. The reversal of 113622251 is 152226311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113622251 is a prime.

Together with 113622253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113622253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56811125 + 56811126.

It is an arithmetic number, because the mean of its divisors is an integer number (56811126).

Almost surely, 2^113622251 is an apocalyptic number.

113622251 is a deficient number, since it is larger than the sum of its proper divisors (1).

113622251 is an equidigital number, since it uses as much as digits as its factorization.

113622251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 23.

The square root of 113622251 is about 10659.3738559073. The cubic root of 113622251 is about 484.3446009698.

Adding to 113622251 its reverse (152226311), we get a palindrome (265848562).

The spelling of 113622251 in words is "one hundred thirteen million, six hundred twenty-two thousand, two hundred fifty-one".