113804891 has 2 divisors, whose sum is σ = 113804892. Its totient is φ = 113804890.

The previous prime is 113804849. The next prime is 113804893. The reversal of 113804891 is 198408311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113804891 is a prime.

Together with 113804893, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_6508358 and since 113804891 and 6508358 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (113804893) 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, 56902445 + 56902446.

It is an arithmetic number, because the mean of its divisors is an integer number (56902446).

Almost surely, 2^113804891 is an apocalyptic number.

113804891 is a deficient number, since it is larger than the sum of its proper divisors (1).

113804891 is an equidigital number, since it uses as much as digits as its factorization.

113804891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 113804891 is about 10667.9375232516. The cubic root of 113804891 is about 484.6039789855.

The spelling of 113804891 in words is "one hundred thirteen million, eight hundred four thousand, eight hundred ninety-one".