6480005 has 12 divisors (see below), whose sum is σ = 9045900. Its totient is φ = 4443264.

The previous prime is 6479999. The next prime is 6480011. The reversal of 6480005 is 5000846.

6480005 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6479999) and next prime (6480011).

It can be written as a sum of positive squares in 2 ways, for example, as 1399489 + 5080516 = 1183^2 + 2254^2 .

It is not a de Polignac number, because 6480005 - 2⁴ = 6479989 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12980 + ... + 13469.

It is an arithmetic number, because the mean of its divisors is an integer number (753825).

Almost surely, 2^6480005 is an apocalyptic number.

It is an amenable number.

6480005 is a deficient number, since it is larger than the sum of its proper divisors (2565895).

6480005 is a wasteful number, since it uses less digits than its factorization.

6480005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26468 (or 26461 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 6480005 is about 2545.5853943641. The cubic root of 6480005 is about 186.4339983083.

It can be divided in two parts, 648000 and 5, that multiplied together give a square (3240000 = 1800²).

The spelling of 6480005 in words is "six million, four hundred eighty thousand, five".