6480015 has 8 divisors (see below), whose sum is σ = 10368048. Its totient is φ = 3456000.

The previous prime is 6480011. The next prime is 6480017. The reversal of 6480015 is 5100846.

6480015 = T₅₁₄ + T₅₁₅ + ... + T₅₅₈.

6480015 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6480015 - 2² = 6480011 is a prime.

6480015 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6480011) 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, 215986 + ... + 216015.

It is an arithmetic number, because the mean of its divisors is an integer number (1296006).

Almost surely, 2^6480015 is an apocalyptic number.

6480015 is a deficient number, since it is larger than the sum of its proper divisors (3888033).

6480015 is a wasteful number, since it uses less digits than its factorization.

6480015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432009.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 6480015 is about 2545.5873585481. The cubic root of 6480015 is about 186.4340942105.

The spelling of 6480015 in words is "six million, four hundred eighty thousand, fifteen".