683591 has 2 divisors, whose sum is σ = 683592. Its totient is φ = 683590.

The previous prime is 683567. The next prime is 683597. The reversal of 683591 is 195386.

683591 is nontrivially palindromic in base 5.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-683591 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341795 + 341796.

It is an arithmetic number, because the mean of its divisors is an integer number (341796).

2⁶⁸³⁵⁹¹ is an apocalyptic number.

683591 is a deficient number, since it is larger than the sum of its proper divisors (1).

683591 is an equidigital number, since it uses as much as digits as its factorization.

683591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 32.

The square root of 683591 is about 826.7956216623. The cubic root of 683591 is about 88.0911160245.

The spelling of 683591 in words is "six hundred eighty-three thousand, five hundred ninety-one".