6468997 has 2 divisors, whose sum is σ = 6468998. Its totient is φ = 6468996.

The previous prime is 6468983. The next prime is 6469031. The reversal of 6468997 is 7998646.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5827396 + 641601 = 2414^2 + 801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6468997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6468997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6468907) 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, 3234498 + 3234499.

It is an arithmetic number, because the mean of its divisors is an integer number (3234499).

Almost surely, 2^6468997 is an apocalyptic number.

It is an amenable number.

6468997 is a deficient number, since it is larger than the sum of its proper divisors (1).

6468997 is an equidigital number, since it uses as much as digits as its factorization.

6468997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 49.

The square root of 6468997 is about 2543.4223007594. The cubic root of 6468997 is about 186.3283693437.

The spelling of 6468997 in words is "six million, four hundred sixty-eight thousand, nine hundred ninety-seven".