6675209 has 2 divisors, whose sum is σ = 6675210. Its totient is φ = 6675208.

The previous prime is 6675181. The next prime is 6675211. The reversal of 6675209 is 9025766.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6615184 + 60025 = 2572^2 + 245^2 .

It is a cyclic number.

It is not a de Polignac number, because 6675209 - 2⁸ = 6674953 is a prime.

Together with 6675211, 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 (6675299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3337604 + 3337605.

It is an arithmetic number, because the mean of its divisors is an integer number (3337605).

Almost surely, 2^6675209 is an apocalyptic number.

It is an amenable number.

6675209 is a deficient number, since it is larger than the sum of its proper divisors (1).

6675209 is an equidigital number, since it uses as much as digits as its factorization.

6675209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 6675209 is about 2583.6425836404. The cubic root of 6675209 is about 188.2875579006.

The spelling of 6675209 in words is "six million, six hundred seventy-five thousand, two hundred nine".