6504473 has 4 divisors (see below), whose sum is σ = 6511908. Its totient is φ = 6497040.

The previous prime is 6504467. The next prime is 6504493. The reversal of 6504473 is 3744056.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 565504 + 5938969 = 752^2 + 2437^2 .

It is a cyclic number.

It is not a de Polignac number, because 6504473 - 2⁴ = 6504457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6504493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2198 + ... + 4223.

It is an arithmetic number, because the mean of its divisors is an integer number (1627977).

Almost surely, 2^6504473 is an apocalyptic number.

It is an amenable number.

6504473 is a deficient number, since it is larger than the sum of its proper divisors (7435).

6504473 is a wasteful number, since it uses less digits than its factorization.

6504473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7434.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 6504473 is about 2550.3868334039. The cubic root of 6504473 is about 186.6683570567.

The spelling of 6504473 in words is "six million, five hundred four thousand, four hundred seventy-three".