6504560 has 20 divisors (see below), whose sum is σ = 15123288. Its totient is φ = 2601792.

The previous prime is 6504539. The next prime is 6504571. The reversal of 6504560 is 654056.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40574 + ... + 40733.

Almost surely, 2^6504560 is an apocalyptic number.

It is an amenable number.

6504560 is an abundant number, since it is smaller than the sum of its proper divisors (8618728).

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

6504560 is a wasteful number, since it uses less digits than its factorization.

6504560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81320 (or 81314 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 6504560 is about 2550.4038895830. The cubic root of 6504560 is about 186.6691893083.

The spelling of 6504560 in words is "six million, five hundred four thousand, five hundred sixty".