91322359 has 2 divisors, whose sum is σ = 91322360. Its totient is φ = 91322358.

The previous prime is 91322353. The next prime is 91322377. The reversal of 91322359 is 95322319.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91322359 - 2¹⁵ = 91289591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91322353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45661179 + 45661180.

It is an arithmetic number, because the mean of its divisors is an integer number (45661180).

Almost surely, 2^91322359 is an apocalyptic number.

91322359 is a deficient number, since it is larger than the sum of its proper divisors (1).

91322359 is an equidigital number, since it uses as much as digits as its factorization.

91322359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 34.

The square root of 91322359 is about 9556.2732798932. The cubic root of 91322359 is about 450.3246365281.

The spelling of 91322359 in words is "ninety-one million, three hundred twenty-two thousand, three hundred fifty-nine".