682489 has 2 divisors, whose sum is σ = 682490. Its totient is φ = 682488.

The previous prime is 682483. The next prime is 682511. The reversal of 682489 is 984286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 627264 + 55225 = 792^2 + 235^2 .

It is a cyclic number.

It is not a de Polignac number, because 682489 - 2⁷ = 682361 is a prime.

It is a Chen prime.

682489 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (682483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341244 + 341245.

It is an arithmetic number, because the mean of its divisors is an integer number (341245).

2⁶⁸²⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

682489 is a deficient number, since it is larger than the sum of its proper divisors (1).

682489 is an equidigital number, since it uses as much as digits as its factorization.

682489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 37.

The square root of 682489 is about 826.1289245632. The cubic root of 682489 is about 88.0437540681.

The spelling of 682489 in words is "six hundred eighty-two thousand, four hundred eighty-nine".