6504223 has 8 divisors (see below), whose sum is σ = 7261056. Its totient is φ = 5775000.

The previous prime is 6504191. The next prime is 6504233. The reversal of 6504223 is 3224056.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6504223 - 2⁵ = 6504191 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 6504194 and 6504203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6504233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6403 + ... + 7348.

It is an arithmetic number, because the mean of its divisors is an integer number (907632).

Almost surely, 2^6504223 is an apocalyptic number.

6504223 is a deficient number, since it is larger than the sum of its proper divisors (756833).

6504223 is a wasteful number, since it uses less digits than its factorization.

6504223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13805.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 6504223 is about 2550.3378207602. The cubic root of 6504223 is about 186.6659654877.

Adding to 6504223 its reverse (3224056), we get a palindrome (9728279).

The spelling of 6504223 in words is "six million, five hundred four thousand, two hundred twenty-three".