6559873 has 2 divisors, whose sum is σ = 6559874. Its totient is φ = 6559872.

The previous prime is 6559871. The next prime is 6559897. The reversal of 6559873 is 3789556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5461569 + 1098304 = 2337^2 + 1048^2 .

It is a cyclic number.

It is not a de Polignac number, because 6559873 - 2¹ = 6559871 is a prime.

It is a super-2 number, since 2×6559873² = 86063867552258, which contains 22 as substring.

Together with 6559871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6559871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3279936 + 3279937.

It is an arithmetic number, because the mean of its divisors is an integer number (3279937).

Almost surely, 2^6559873 is an apocalyptic number.

It is an amenable number.

6559873 is a deficient number, since it is larger than the sum of its proper divisors (1).

6559873 is an equidigital number, since it uses as much as digits as its factorization.

6559873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 43.

The square root of 6559873 is about 2561.2249022684. The cubic root of 6559873 is about 187.1968244189.

The spelling of 6559873 in words is "six million, five hundred fifty-nine thousand, eight hundred seventy-three".