682073309 has 2 divisors, whose sum is σ = 682073310. Its totient is φ = 682073308.

The previous prime is 682073279. The next prime is 682073317. The reversal of 682073309 is 903370286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 569776900 + 112296409 = 23870^2 + 10597^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-682073309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (682073339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341036654 + 341036655.

It is an arithmetic number, because the mean of its divisors is an integer number (341036655).

Almost surely, 2^682073309 is an apocalyptic number.

It is an amenable number.

682073309 is a deficient number, since it is larger than the sum of its proper divisors (1).

682073309 is an equidigital number, since it uses as much as digits as its factorization.

682073309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 682073309 is about 26116.5332500315. The cubic root of 682073309 is about 880.2587518199.

The spelling of 682073309 in words is "six hundred eighty-two million, seventy-three thousand, three hundred nine".