113516591 has 2 divisors, whose sum is σ = 113516592. Its totient is φ = 113516590.

The previous prime is 113516587. The next prime is 113516593. The reversal of 113516591 is 195615311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113516591 - 2² = 113516587 is a prime.

It is a super-2 number, since 2×113516591² = 25772032864522562, which contains 22 as substring.

Together with 113516593, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113516593) 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 as a sum of consecutive naturals, namely, 56758295 + 56758296.

It is an arithmetic number, because the mean of its divisors is an integer number (56758296).

Almost surely, 2^113516591 is an apocalyptic number.

113516591 is a deficient number, since it is larger than the sum of its proper divisors (1).

113516591 is an equidigital number, since it uses as much as digits as its factorization.

113516591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050, while the sum is 32.

The square root of 113516591 is about 10654.4165020896. The cubic root of 113516591 is about 484.1944199342.

The spelling of 113516591 in words is "one hundred thirteen million, five hundred sixteen thousand, five hundred ninety-one".