91283315 has 16 divisors (see below), whose sum is σ = 116774400. Its totient is φ = 68301792.

The previous prime is 91283273. The next prime is 91283323. The reversal of 91283315 is 51338219.

It is a cyclic number.

It is not a de Polignac number, because 91283315 - 2¹⁸ = 91021171 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 1424 + ... + 13586.

It is an arithmetic number, because the mean of its divisors is an integer number (7298400).

Almost surely, 2^91283315 is an apocalyptic number.

91283315 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

91283315 is a deficient number, since it is larger than the sum of its proper divisors (25491085).

91283315 is a wasteful number, since it uses less digits than its factorization.

91283315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12266.

The product of its digits is 6480, while the sum is 32.

The square root of 91283315 is about 9554.2302149362. The cubic root of 91283315 is about 450.2604500512.

The spelling of 91283315 in words is "ninety-one million, two hundred eighty-three thousand, three hundred fifteen".