6476681 has 2 divisors, whose sum is σ = 6476682. Its totient is φ = 6476680.

The previous prime is 6476669. The next prime is 6476683. The reversal of 6476681 is 1866746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3671056 + 2805625 = 1916^2 + 1675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6476681 is a prime.

It is a super-2 number, since 2×6476681² = 83894793551522, which contains 22 as substring.

Together with 6476683, 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 (6476683) 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, 3238340 + 3238341.

It is an arithmetic number, because the mean of its divisors is an integer number (3238341).

Almost surely, 2^6476681 is an apocalyptic number.

It is an amenable number.

6476681 is a deficient number, since it is larger than the sum of its proper divisors (1).

6476681 is an equidigital number, since it uses as much as digits as its factorization.

6476681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 6476681 is about 2544.9324156056. The cubic root of 6476681 is about 186.4021149686.

The spelling of 6476681 in words is "six million, four hundred seventy-six thousand, six hundred eighty-one".