91365001 has 32 divisors (see below), whose sum is σ = 116121600. Its totient is φ = 69975360.

The previous prime is 91364969. The next prime is 91365011. The reversal of 91365001 is 10056319.

It is not a de Polignac number, because 91365001 - 2⁵ = 91364969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91365011) 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 in 31 ways as a sum of consecutive naturals, for example, 510330 + ... + 510508.

It is an arithmetic number, because the mean of its divisors is an integer number (3628800).

Almost surely, 2^91365001 is an apocalyptic number.

91365001 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

91365001 is a deficient number, since it is larger than the sum of its proper divisors (24756599).

91365001 is a wasteful number, since it uses less digits than its factorization.

91365001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 91365001 is about 9558.5041193693. The cubic root of 91365001 is about 450.3947170476.

The spelling of 91365001 in words is "ninety-one million, three hundred sixty-five thousand, one".