6564323 has 2 divisors, whose sum is σ = 6564324. Its totient is φ = 6564322.

The previous prime is 6564319. The next prime is 6564359. The reversal of 6564323 is 3234656.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6564323 - 2² = 6564319 is a prime.

It is not a weakly prime, because it can be changed into another prime (6464323) 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, 3282161 + 3282162.

It is an arithmetic number, because the mean of its divisors is an integer number (3282162).

Almost surely, 2^6564323 is an apocalyptic number.

6564323 is a deficient number, since it is larger than the sum of its proper divisors (1).

6564323 is an equidigital number, since it uses as much as digits as its factorization.

6564323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 29.

The square root of 6564323 is about 2562.0934799496. The cubic root of 6564323 is about 187.2391442207.

Adding to 6564323 its reverse (3234656), we get a palindrome (9798979).

The spelling of 6564323 in words is "six million, five hundred sixty-four thousand, three hundred twenty-three".