91452271 has 16 divisors (see below), whose sum is σ = 98233344. Its totient is φ = 84992544.

The previous prime is 91452247. The next prime is 91452287. The reversal of 91452271 is 17225419.

It is not a de Polignac number, because 91452271 - 2¹⁷ = 91321199 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 (91452211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74166 + ... + 75388.

It is an arithmetic number, because the mean of its divisors is an integer number (6139584).

Almost surely, 2^91452271 is an apocalyptic number.

91452271 is a deficient number, since it is larger than the sum of its proper divisors (6781073).

91452271 is a wasteful number, since it uses less digits than its factorization.

91452271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350.

The product of its digits is 5040, while the sum is 31.

The square root of 91452271 is about 9563.0680746296. The cubic root of 91452271 is about 450.5380740531.

The spelling of 91452271 in words is "ninety-one million, four hundred fifty-two thousand, two hundred seventy-one".