9113791 has 2 divisors, whose sum is σ = 9113792. Its totient is φ = 9113790.

The previous prime is 9113779. The next prime is 9113821. The reversal of 9113791 is 1973119.

9113791 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9113791 - 2⁵ = 9113759 is a prime.

It is a super-2 number, since 2×9113791² = 166122372783362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9113771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4556895 + 4556896.

It is an arithmetic number, because the mean of its divisors is an integer number (4556896).

Almost surely, 2^9113791 is an apocalyptic number.

9113791 is a deficient number, since it is larger than the sum of its proper divisors (1).

9113791 is an equidigital number, since it uses as much as digits as its factorization.

9113791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1701, while the sum is 31.

The square root of 9113791 is about 3018.9055964041. The cubic root of 9113791 is about 208.8813609006.

The spelling of 9113791 in words is "nine million, one hundred thirteen thousand, seven hundred ninety-one".