6716009 has 2 divisors, whose sum is σ = 6716010. Its totient is φ = 6716008.

The previous prime is 6715999. The next prime is 6716011. The reversal of 6716009 is 9006176.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6553600 + 162409 = 2560^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 6716009 - 2⁴ = 6715993 is a prime.

It is a Sophie Germain prime.

Together with 6716011, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6716209) 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, 3358004 + 3358005.

It is an arithmetic number, because the mean of its divisors is an integer number (3358005).

Almost surely, 2^6716009 is an apocalyptic number.

It is an amenable number.

6716009 is a deficient number, since it is larger than the sum of its proper divisors (1).

6716009 is an equidigital number, since it uses as much as digits as its factorization.

6716009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 6716009 is about 2591.5263841991. The cubic root of 6716009 is about 188.6703940435.

The spelling of 6716009 in words is "six million, seven hundred sixteen thousand, nine".