82241491 has 16 divisors (see below), whose sum is σ = 88723008. Its totient is φ = 76032000.

The previous prime is 82241479. The next prime is 82241503. The reversal of 82241491 is 19414228.

It is an interprime number because it is at equal distance from previous prime (82241479) and next prime (82241503).

It is a cyclic number.

It is not a de Polignac number, because 82241491 - 2¹⁹ = 81717203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82241431) 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 15 ways as a sum of consecutive naturals, for example, 204891 + ... + 205291.

It is an arithmetic number, because the mean of its divisors is an integer number (5545188).

Almost surely, 2^82241491 is an apocalyptic number.

82241491 is a deficient number, since it is larger than the sum of its proper divisors (6481517).

82241491 is a wasteful number, since it uses less digits than its factorization.

82241491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702.

The product of its digits is 4608, while the sum is 31.

The square root of 82241491 is about 9068.7094451195. The cubic root of 82241491 is about 434.8742156245.

The spelling of 82241491 in words is "eighty-two million, two hundred forty-one thousand, four hundred ninety-one".