6480143 has 8 divisors (see below), whose sum is σ = 6811728. Its totient is φ = 6156864.

The previous prime is 6480139. The next prime is 6480163. The reversal of 6480143 is 3410846.

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

It is a cyclic number.

It is not a de Polignac number, because 6480143 - 2² = 6480139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6480113) 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, 446 + ... + 3627.

It is an arithmetic number, because the mean of its divisors is an integer number (851466).

Almost surely, 2^6480143 is an apocalyptic number.

6480143 is a deficient number, since it is larger than the sum of its proper divisors (331585).

6480143 is a wasteful number, since it uses less digits than its factorization.

6480143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 6480143 is about 2545.6124999693. The cubic root of 6480143 is about 186.4353217491.

Adding to 6480143 its reverse (3410846), we get a palindrome (9890989).

The spelling of 6480143 in words is "six million, four hundred eighty thousand, one hundred forty-three".