113452991 has 2 divisors, whose sum is σ = 113452992. Its totient is φ = 113452990.

The previous prime is 113452987. The next prime is 113452993. The reversal of 113452991 is 199254311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113452991 - 2² = 113452987 is a prime.

It is a Sophie Germain prime.

Together with 113452993, 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 (113452993) 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, 56726495 + 56726496.

It is an arithmetic number, because the mean of its divisors is an integer number (56726496).

Almost surely, 2^113452991 is an apocalyptic number.

113452991 is a deficient number, since it is larger than the sum of its proper divisors (1).

113452991 is an equidigital number, since it uses as much as digits as its factorization.

113452991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 35.

The square root of 113452991 is about 10651.4314061538. The cubic root of 113452991 is about 484.1039764206.

The spelling of 113452991 in words is "one hundred thirteen million, four hundred fifty-two thousand, nine hundred ninety-one".