82582817 has 4 divisors (see below), whose sum is σ = 82664880. Its totient is φ = 82500756.

The previous prime is 82582781. The next prime is 82582849. The reversal of 82582817 is 71828528.

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 82582817 - 2⁸ = 82582561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82582867) 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, 39503 + ... + 41540.

It is an arithmetic number, because the mean of its divisors is an integer number (20666220).

Almost surely, 2^82582817 is an apocalyptic number.

It is an amenable number.

82582817 is a deficient number, since it is larger than the sum of its proper divisors (82063).

82582817 is a wasteful number, since it uses less digits than its factorization.

82582817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82062.

The product of its digits is 71680, while the sum is 41.

The square root of 82582817 is about 9087.5088445624. The cubic root of 82582817 is about 435.4750032117.

The spelling of 82582817 in words is "eighty-two million, five hundred eighty-two thousand, eight hundred seventeen".