682918513 has 2 divisors, whose sum is σ = 682918514. Its totient is φ = 682918512.

The previous prime is 682918459. The next prime is 682918519. The reversal of 682918513 is 315819286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 668119104 + 14799409 = 25848^2 + 3847^2 .

It is a cyclic number.

It is not a de Polignac number, because 682918513 - 2¹³ = 682910321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 682918513.

It is not a weakly prime, because it can be changed into another prime (682918519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341459256 + 341459257.

It is an arithmetic number, because the mean of its divisors is an integer number (341459257).

Almost surely, 2^682918513 is an apocalyptic number.

It is an amenable number.

682918513 is a deficient number, since it is larger than the sum of its proper divisors (1).

682918513 is an equidigital number, since it uses as much as digits as its factorization.

682918513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 43.

The square root of 682918513 is about 26132.7096375405. The cubic root of 682918513 is about 880.6221981467.

The spelling of 682918513 in words is "six hundred eighty-two million, nine hundred eighteen thousand, five hundred thirteen".