6595661 has 2 divisors, whose sum is σ = 6595662. Its totient is φ = 6595660.

The previous prime is 6595627. The next prime is 6595703. The reversal of 6595661 is 1665956.

6595661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4866436 + 1729225 = 2206^2 + 1315^2 .

It is a cyclic number.

It is not a de Polignac number, because 6595661 - 2⁶ = 6595597 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6595601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3297830 + 3297831.

It is an arithmetic number, because the mean of its divisors is an integer number (3297831).

Almost surely, 2^6595661 is an apocalyptic number.

It is an amenable number.

6595661 is a deficient number, since it is larger than the sum of its proper divisors (1).

6595661 is an equidigital number, since it uses as much as digits as its factorization.

6595661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 38.

The square root of 6595661 is about 2568.2019001628. The cubic root of 6595661 is about 187.5366304729.

The spelling of 6595661 in words is "six million, five hundred ninety-five thousand, six hundred sixty-one".