6504457 has 2 divisors, whose sum is σ = 6504458. Its totient is φ = 6504456.

The previous prime is 6504419. The next prime is 6504467. The reversal of 6504457 is 7544056.

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., 6497401 + 7056 = 2549^2 + 84^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6504457 is a prime.

6504457 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6504467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3252228 + 3252229.

It is an arithmetic number, because the mean of its divisors is an integer number (3252229).

Almost surely, 2^6504457 is an apocalyptic number.

It is an amenable number.

6504457 is a deficient number, since it is larger than the sum of its proper divisors (1).

6504457 is an equidigital number, since it uses as much as digits as its factorization.

6504457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 6504457 is about 2550.3836966229. The cubic root of 6504457 is about 186.6682039981.

The spelling of 6504457 in words is "six million, five hundred four thousand, four hundred fifty-seven".