682531 has 2 divisors, whose sum is σ = 682532. Its totient is φ = 682530.

The previous prime is 682519. The next prime is 682547. The reversal of 682531 is 135286.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 682531 - 2¹⁹ = 158243 is a prime.

It is a super-2 number, since 2×682531² = 931697131922, which contains 22 as substring.

It is equal to p₅₅₂₅₈ and since 682531 and 55258 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 682496 and 682505.

It is not a weakly prime, because it can be changed into another prime (682511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341265 + 341266.

It is an arithmetic number, because the mean of its divisors is an integer number (341266).

2⁶⁸²⁵³¹ is an apocalyptic number.

682531 is a deficient number, since it is larger than the sum of its proper divisors (1).

682531 is an equidigital number, since it uses as much as digits as its factorization.

682531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 682531 is about 826.1543439334. The cubic root of 682531 is about 88.0455600859.

It can be divided in two parts, 6825 and 31, that multiplied together give a triangular number (211575 = T₆₅₀).

The spelling of 682531 in words is "six hundred eighty-two thousand, five hundred thirty-one".