6682609 has 2 divisors, whose sum is σ = 6682610. Its totient is φ = 6682608.

The previous prime is 6682603. The next prime is 6682693. The reversal of 6682609 is 9062866.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6630625 + 51984 = 2575^2 + 228^2 .

It is a cyclic number.

It is not a de Polignac number, because 6682609 - 2⁹ = 6682097 is a prime.

It is not a weakly prime, because it can be changed into another prime (6682603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3341304 + 3341305.

It is an arithmetic number, because the mean of its divisors is an integer number (3341305).

Almost surely, 2^6682609 is an apocalyptic number.

It is an amenable number.

6682609 is a deficient number, since it is larger than the sum of its proper divisors (1).

6682609 is an equidigital number, since it uses as much as digits as its factorization.

6682609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 6682609 is about 2585.0742735945. The cubic root of 6682609 is about 188.3571094494.

The spelling of 6682609 in words is "six million, six hundred eighty-two thousand, six hundred nine".