91032659 has 2 divisors, whose sum is σ = 91032660. Its totient is φ = 91032658.

The previous prime is 91032649. The next prime is 91032703. The reversal of 91032659 is 95623019.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91032659 - 2²⁴ = 74255443 is a prime.

It is a super-2 number, since 2×91032659² = 16573890009220562, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (91032619) 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, 45516329 + 45516330.

It is an arithmetic number, because the mean of its divisors is an integer number (45516330).

Almost surely, 2^91032659 is an apocalyptic number.

91032659 is a deficient number, since it is larger than the sum of its proper divisors (1).

91032659 is an equidigital number, since it uses as much as digits as its factorization.

91032659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 91032659 is about 9541.1036573344. The cubic root of 91032659 is about 449.8479469817.

The spelling of 91032659 in words is "ninety-one million, thirty-two thousand, six hundred fifty-nine".