682716589 has 2 divisors, whose sum is σ = 682716590. Its totient is φ = 682716588.

The previous prime is 682716527. The next prime is 682716611. The reversal of 682716589 is 985617286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 496175625 + 186540964 = 22275^2 + 13658^2 .

It is a cyclic number.

It is not a de Polignac number, because 682716589 - 2¹¹ = 682714541 is a prime.

It is a super-2 number, since 2×682716589² = 932203881791589842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (682716509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341358294 + 341358295.

It is an arithmetic number, because the mean of its divisors is an integer number (341358295).

Almost surely, 2^682716589 is an apocalyptic number.

It is an amenable number.

682716589 is a deficient number, since it is larger than the sum of its proper divisors (1).

682716589 is an equidigital number, since it uses as much as digits as its factorization.

682716589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 52.

The square root of 682716589 is about 26128.8459178740. The cubic root of 682716589 is about 880.5353960457.

The spelling of 682716589 in words is "six hundred eighty-two million, seven hundred sixteen thousand, five hundred eighty-nine".