91310465 has 16 divisors (see below), whose sum is σ = 112613760. Its totient is φ = 71047680.

The previous prime is 91310459. The next prime is 91310509. The reversal of 91310465 is 56401319.

It is not a de Polignac number, because 91310465 - 2¹⁰ = 91309441 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27020 + ... + 30210.

It is an arithmetic number, because the mean of its divisors is an integer number (7038360).

Almost surely, 2^91310465 is an apocalyptic number.

It is an amenable number.

91310465 is a deficient number, since it is larger than the sum of its proper divisors (21303295).

91310465 is a wasteful number, since it uses less digits than its factorization.

91310465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 91310465 is about 9555.6509459063. The cubic root of 91310465 is about 450.3050852965.

The spelling of 91310465 in words is "ninety-one million, three hundred ten thousand, four hundred sixty-five".