6480443 has 4 divisors (see below), whose sum is σ = 6511368. Its totient is φ = 6449520.

The previous prime is 6480421. The next prime is 6480491. The reversal of 6480443 is 3440846.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6480443 - 2¹² = 6476347 is a prime.

It is a super-2 number, since 2×6480443² = 83992282952498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6480403) 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, 15146 + ... + 15567.

It is an arithmetic number, because the mean of its divisors is an integer number (1627842).

Almost surely, 2^6480443 is an apocalyptic number.

6480443 is a deficient number, since it is larger than the sum of its proper divisors (30925).

6480443 is a wasteful number, since it uses less digits than its factorization.

6480443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30924.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 6480443 is about 2545.6714242023. The cubic root of 6480443 is about 186.4381987296.

The spelling of 6480443 in words is "six million, four hundred eighty thousand, four hundred forty-three".