682911497 has 2 divisors, whose sum is σ = 682911498. Its totient is φ = 682911496.

The previous prime is 682911491. The next prime is 682911499. The reversal of 682911497 is 794119286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493683961 + 189227536 = 22219^2 + 13756^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-682911497 is a prime.

It is a super-2 number, since 2×682911497² = 932736225469562018, which contains 22 as substring.

Together with 682911499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (682911491) 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, 341455748 + 341455749.

It is an arithmetic number, because the mean of its divisors is an integer number (341455749).

Almost surely, 2^682911497 is an apocalyptic number.

It is an amenable number.

682911497 is a deficient number, since it is larger than the sum of its proper divisors (1).

682911497 is an equidigital number, since it uses as much as digits as its factorization.

682911497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 47.

The square root of 682911497 is about 26132.5753992981. The cubic root of 682911497 is about 880.6191824299.

The spelling of 682911497 in words is "six hundred eighty-two million, nine hundred eleven thousand, four hundred ninety-seven".