91713299 has 2 divisors, whose sum is σ = 91713300. Its totient is φ = 91713298.

The previous prime is 91713241. The next prime is 91713311. The reversal of 91713299 is 99231719.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91713299 is a prime.

It is a super-2 number, since 2×91713299² = 16822658426926802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (91713229) 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, 45856649 + 45856650.

It is an arithmetic number, because the mean of its divisors is an integer number (45856650).

Almost surely, 2^91713299 is an apocalyptic number.

91713299 is a deficient number, since it is larger than the sum of its proper divisors (1).

91713299 is an equidigital number, since it uses as much as digits as its factorization.

91713299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30618, while the sum is 41.

The square root of 91713299 is about 9576.7060621072. The cubic root of 91713299 is about 450.9663168896.

The spelling of 91713299 in words is "ninety-one million, seven hundred thirteen thousand, two hundred ninety-nine".