91310059 has 2 divisors, whose sum is σ = 91310060. Its totient is φ = 91310058.

The previous prime is 91310053. The next prime is 91310071. The reversal of 91310059 is 95001319.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91310059 - 2¹¹ = 91308011 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (91310053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45655029 + 45655030.

It is an arithmetic number, because the mean of its divisors is an integer number (45655030).

Almost surely, 2^91310059 is an apocalyptic number.

91310059 is a deficient number, since it is larger than the sum of its proper divisors (1).

91310059 is an equidigital number, since it uses as much as digits as its factorization.

91310059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 91310059 is about 9555.6297019087. The cubic root of 91310059 is about 450.3044178880.

The spelling of 91310059 in words is "ninety-one million, three hundred ten thousand, fifty-nine".