82541491 has 16 divisors (see below), whose sum is σ = 88883200. Its totient is φ = 76422528.

The previous prime is 82541489. The next prime is 82541497. The reversal of 82541491 is 19414528.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 82541491 - 2¹ = 82541489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82541497) 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, 190411 + ... + 190843.

It is an arithmetic number, because the mean of its divisors is an integer number (5555200).

Almost surely, 2^82541491 is an apocalyptic number.

82541491 is a deficient number, since it is larger than the sum of its proper divisors (6341709).

82541491 is a wasteful number, since it uses less digits than its factorization.

82541491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658.

The product of its digits is 11520, while the sum is 34.

The square root of 82541491 is about 9085.2347795750. The cubic root of 82541491 is about 435.4023511218.

The spelling of 82541491 in words is "eighty-two million, five hundred forty-one thousand, four hundred ninety-one".