91495481 has 12 divisors (see below), whose sum is σ = 114937536. Its totient is φ = 71294520.

The previous prime is 91495457. The next prime is 91495483. The reversal of 91495481 is 18459419.

It is not a de Polignac number, because 91495481 - 2²⁶ = 24386617 is a prime.

It is a super-2 number, since 2×91495481² = 16742846086842722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (91495483) 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 11 ways as a sum of consecutive naturals, for example, 53165 + ... + 54858.

It is an arithmetic number, because the mean of its divisors is an integer number (9578128).

Almost surely, 2^91495481 is an apocalyptic number.

It is an amenable number.

91495481 is a deficient number, since it is larger than the sum of its proper divisors (23442055).

91495481 is a wasteful number, since it uses less digits than its factorization.

91495481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108052 (or 108041 counting only the distinct ones).

The product of its digits is 51840, while the sum is 41.

The square root of 91495481 is about 9565.3270200239. The cubic root of 91495481 is about 450.6090206597.

The spelling of 91495481 in words is "ninety-one million, four hundred ninety-five thousand, four hundred eighty-one".