682242289 has 2 divisors, whose sum is σ = 682242290. Its totient is φ = 682242288.

The previous prime is 682242287. The next prime is 682242293. The reversal of 682242289 is 982242286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 644296689 + 37945600 = 25383^2 + 6160^2 .

It is a cyclic number.

It is not a de Polignac number, because 682242289 - 2¹ = 682242287 is a prime.

Together with 682242287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (682242287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341121144 + 341121145.

It is an arithmetic number, because the mean of its divisors is an integer number (341121145).

Almost surely, 2^682242289 is an apocalyptic number.

It is an amenable number.

682242289 is a deficient number, since it is larger than the sum of its proper divisors (1).

682242289 is an equidigital number, since it uses as much as digits as its factorization.

682242289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 43.

The square root of 682242289 is about 26119.7681651273. The cubic root of 682242289 is about 880.3314389441.

The spelling of 682242289 in words is "six hundred eighty-two million, two hundred forty-two thousand, two hundred eighty-nine".