6464567 has 2 divisors, whose sum is σ = 6464568. Its totient is φ = 6464566.

The previous prime is 6464561. The next prime is 6464609. The reversal of 6464567 is 7654646.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6464567 - 2⁴ = 6464551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6464567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6464561) 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, 3232283 + 3232284.

It is an arithmetic number, because the mean of its divisors is an integer number (3232284).

Almost surely, 2^6464567 is an apocalyptic number.

6464567 is a deficient number, since it is larger than the sum of its proper divisors (1).

6464567 is an equidigital number, since it uses as much as digits as its factorization.

6464567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 38.

The square root of 6464567 is about 2542.5512777523. The cubic root of 6464567 is about 186.2858267791.

The spelling of 6464567 in words is "six million, four hundred sixty-four thousand, five hundred sixty-seven".