6695321 has 2 divisors, whose sum is σ = 6695322. Its totient is φ = 6695320.

The previous prime is 6695281. The next prime is 6695333. The reversal of 6695321 is 1235966.

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., 5569600 + 1125721 = 2360^2 + 1061^2 .

It is a cyclic number.

It is not a de Polignac number, because 6695321 - 2⁶ = 6695257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6695021) 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, 3347660 + 3347661.

It is an arithmetic number, because the mean of its divisors is an integer number (3347661).

Almost surely, 2^6695321 is an apocalyptic number.

It is an amenable number.

6695321 is a deficient number, since it is larger than the sum of its proper divisors (1).

6695321 is an equidigital number, since it uses as much as digits as its factorization.

6695321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 6695321 is about 2587.5318355529. The cubic root of 6695321 is about 188.4764679680.

The spelling of 6695321 in words is "six million, six hundred ninety-five thousand, three hundred twenty-one".