6443103 has 8 divisors (see below), whose sum is σ = 8617648. Its totient is φ = 4281984.

The previous prime is 6443083. The next prime is 6443111. The reversal of 6443103 is 3013446.

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

It is not a de Polignac number, because 6443103 - 2⁹ = 6442591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6443103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6443903) 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, 2176 + ... + 4197.

It is an arithmetic number, because the mean of its divisors is an integer number (1077206).

Almost surely, 2^6443103 is an apocalyptic number.

6443103 is a deficient number, since it is larger than the sum of its proper divisors (2174545).

6443103 is a wasteful number, since it uses less digits than its factorization.

6443103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6713.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 6443103 is about 2538.3268111100. The cubic root of 6443103 is about 186.0794261316.

Adding to 6443103 its reverse (3013446), we get a palindrome (9456549).

The spelling of 6443103 in words is "six million, four hundred forty-three thousand, one hundred three".