6683641 has 2 divisors, whose sum is σ = 6683642. Its totient is φ = 6683640.

The previous prime is 6683627. The next prime is 6683689. The reversal of 6683641 is 1463866.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6651241 + 32400 = 2579^2 + 180^2 .

It is a cyclic number.

It is not a de Polignac number, because 6683641 - 2⁵ = 6683609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6683597 and 6683606.

It is not a weakly prime, because it can be changed into another prime (6653641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3341820 + 3341821.

It is an arithmetic number, because the mean of its divisors is an integer number (3341821).

Almost surely, 2^6683641 is an apocalyptic number.

It is an amenable number.

6683641 is a deficient number, since it is larger than the sum of its proper divisors (1).

6683641 is an equidigital number, since it uses as much as digits as its factorization.

6683641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 6683641 is about 2585.2738733063. The cubic root of 6683641 is about 188.3668049906.

The spelling of 6683641 in words is "six million, six hundred eighty-three thousand, six hundred forty-one".