6504564 has 24 divisors (see below), whose sum is σ = 16557408. Its totient is φ = 1971040.

The previous prime is 6504539. The next prime is 6504571. The reversal of 6504564 is 4654056.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24507 + ... + 24770.

It is an arithmetic number, because the mean of its divisors is an integer number (689892).

Almost surely, 2^6504564 is an apocalyptic number.

It is an amenable number.

6504564 is an abundant number, since it is smaller than the sum of its proper divisors (10052844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6504564 is a wasteful number, since it uses less digits than its factorization.

6504564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49295 (or 49293 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 6504564 is about 2550.4046737724. The cubic root of 6504564 is about 186.6692275726.

The spelling of 6504564 in words is "six million, five hundred four thousand, five hundred sixty-four".