91354271 has 6 divisors (see below), whose sum is σ = 92880216. Its totient is φ = 89853000.

The previous prime is 91354267. The next prime is 91354279. The reversal of 91354271 is 17245319.

It is not a de Polignac number, because 91354271 - 2² = 91354267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91354279) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 8555 + ... + 15996.

It is an arithmetic number, because the mean of its divisors is an integer number (15480036).

Almost surely, 2^91354271 is an apocalyptic number.

91354271 is a deficient number, since it is larger than the sum of its proper divisors (1525945).

91354271 is an equidigital number, since it uses as much as digits as its factorization.

91354271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24673 (or 24612 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 91354271 is about 9557.9428225952. The cubic root of 91354271 is about 450.3770847505.

The spelling of 91354271 in words is "ninety-one million, three hundred fifty-four thousand, two hundred seventy-one".