682591 has 12 divisors (see below), whose sum is σ = 846192. Its totient is φ = 539136.

The previous prime is 682547. The next prime is 682597. The reversal of 682591 is 195286.

It is not a de Polignac number, because 682591 - 2⁷ = 682463 is a prime.

It is a Duffinian number.

682591 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682597) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 895 + ... + 1471.

It is an arithmetic number, because the mean of its divisors is an integer number (70516).

2⁶⁸²⁵⁹¹ is an apocalyptic number.

682591 is a deficient number, since it is larger than the sum of its proper divisors (163601).

682591 is a wasteful number, since it uses less digits than its factorization.

682591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 597 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 682591 is about 826.1906559627. The cubic root of 682591 is about 88.0481399828.

The spelling of 682591 in words is "six hundred eighty-two thousand, five hundred ninety-one".