6493957 has 2 divisors, whose sum is σ = 6493958. Its totient is φ = 6493956.

The previous prime is 6493933. The next prime is 6493969. The reversal of 6493957 is 7593946.

6493957 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5410276 + 1083681 = 2326^2 + 1041^2 .

It is a cyclic number.

It is not a de Polignac number, because 6493957 - 2⁷ = 6493829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6497957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3246978 + 3246979.

It is an arithmetic number, because the mean of its divisors is an integer number (3246979).

Almost surely, 2^6493957 is an apocalyptic number.

It is an amenable number.

6493957 is a deficient number, since it is larger than the sum of its proper divisors (1).

6493957 is an equidigital number, since it uses as much as digits as its factorization.

6493957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 43.

The square root of 6493957 is about 2548.3243514121. The cubic root of 6493957 is about 186.5677051269.

The spelling of 6493957 in words is "six million, four hundred ninety-three thousand, nine hundred fifty-seven".