82492493 has 4 divisors (see below), whose sum is σ = 82512960. Its totient is φ = 82472028.

The previous prime is 82492463. The next prime is 82492537. The reversal of 82492493 is 39429428.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82492493 - 2¹⁸ = 82230349 is a prime.

It is a super-2 number, since 2×82492493² = 13610022802710098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82492493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82492453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1955 + ... + 12992.

It is an arithmetic number, because the mean of its divisors is an integer number (20628240).

Almost surely, 2^82492493 is an apocalyptic number.

It is an amenable number.

82492493 is a deficient number, since it is larger than the sum of its proper divisors (20467).

82492493 is a wasteful number, since it uses less digits than its factorization.

82492493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20466.

The product of its digits is 124416, while the sum is 41.

The square root of 82492493 is about 9082.5378061421. The cubic root of 82492493 is about 435.3161800463.

The spelling of 82492493 in words is "eighty-two million, four hundred ninety-two thousand, four hundred ninety-three".