682820137 has 2 divisors, whose sum is σ = 682820138. Its totient is φ = 682820136.

The previous prime is 682820129. The next prime is 682820189. The reversal of 682820137 is 731028286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 509134096 + 173686041 = 22564^2 + 13179^2 .

It is a cyclic number.

It is not a de Polignac number, because 682820137 - 2³ = 682820129 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 682820096 and 682820105.

It is not a weakly prime, because it can be changed into another prime (682820197) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341410068 + 341410069.

It is an arithmetic number, because the mean of its divisors is an integer number (341410069).

Almost surely, 2^682820137 is an apocalyptic number.

It is an amenable number.

682820137 is a deficient number, since it is larger than the sum of its proper divisors (1).

682820137 is an equidigital number, since it uses as much as digits as its factorization.

682820137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 682820137 is about 26130.8273309515. The cubic root of 682820137 is about 880.5799108909.

The spelling of 682820137 in words is "six hundred eighty-two million, eight hundred twenty thousand, one hundred thirty-seven".