6480539 has 8 divisors (see below), whose sum is σ = 7346640. Its totient is φ = 5666976.

The previous prime is 6480533. The next prime is 6480541. The reversal of 6480539 is 9350846.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6480539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6480499 and 6480508.

It is not an unprimeable number, because it can be changed into a prime (6480533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12872 + ... + 13365.

It is an arithmetic number, because the mean of its divisors is an integer number (918330).

Almost surely, 2^6480539 is an apocalyptic number.

6480539 is a deficient number, since it is larger than the sum of its proper divisors (866101).

6480539 is a wasteful number, since it uses less digits than its factorization.

6480539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26269.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 6480539 is about 2545.6902796688. The cubic root of 6480539 is about 186.4391193445.

The spelling of 6480539 in words is "six million, four hundred eighty thousand, five hundred thirty-nine".