6443113 has 4 divisors (see below), whose sum is σ = 6455440. Its totient is φ = 6430788.

The previous prime is 6443111. The next prime is 6443117. The reversal of 6443113 is 3113446.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6443113 - 2¹ = 6443111 is a prime.

It is a super-3 number, since 3×6443113³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6443111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5343 + ... + 6436.

It is an arithmetic number, because the mean of its divisors is an integer number (1613860).

Almost surely, 2^6443113 is an apocalyptic number.

It is an amenable number.

6443113 is a deficient number, since it is larger than the sum of its proper divisors (12327).

6443113 is a wasteful number, since it uses less digits than its factorization.

6443113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12326.

The product of its digits is 864, while the sum is 22.

The square root of 6443113 is about 2538.3287809108. The cubic root of 6443113 is about 186.0795223996.

Adding to 6443113 its reverse (3113446), we get a palindrome (9556559).

It can be divided in two parts, 6443 and 113, that added together give a palindrome (6556).

The spelling of 6443113 in words is "six million, four hundred forty-three thousand, one hundred thirteen".