6559143 has 8 divisors (see below), whose sum is σ = 8830848. Its totient is φ = 4330104.

The previous prime is 6559141. The next prime is 6559151. The reversal of 6559143 is 3419556.

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 6559143 - 2¹ = 6559141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6559141) 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 in 7 ways as a sum of consecutive naturals, for example, 10305 + ... + 10922.

It is an arithmetic number, because the mean of its divisors is an integer number (1103856).

Almost surely, 2^6559143 is an apocalyptic number.

6559143 is a deficient number, since it is larger than the sum of its proper divisors (2271705).

6559143 is a wasteful number, since it uses less digits than its factorization.

6559143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21333.

The product of its digits is 16200, while the sum is 33.

The square root of 6559143 is about 2561.0823883663. The cubic root of 6559143 is about 187.1898802423.

The spelling of 6559143 in words is "six million, five hundred fifty-nine thousand, one hundred forty-three".