6597949 has 2 divisors, whose sum is σ = 6597950. Its totient is φ = 6597948.

The previous prime is 6597931. The next prime is 6597953. The reversal of 6597949 is 9497956.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3980025 + 2617924 = 1995^2 + 1618^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6597949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6397949) 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, 3298974 + 3298975.

It is an arithmetic number, because the mean of its divisors is an integer number (3298975).

Almost surely, 2^6597949 is an apocalyptic number.

It is an amenable number.

6597949 is a deficient number, since it is larger than the sum of its proper divisors (1).

6597949 is an equidigital number, since it uses as much as digits as its factorization.

6597949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 49.

The square root of 6597949 is about 2568.6473093829. The cubic root of 6597949 is about 187.5583131218.

The spelling of 6597949 in words is "six million, five hundred ninety-seven thousand, nine hundred forty-nine".