6480561 has 8 divisors (see below), whose sum is σ = 8663904. Its totient is φ = 4308800.

The previous prime is 6480547. The next prime is 6480563. The reversal of 6480561 is 1650846.

6480561 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 a cyclic number.

It is not a de Polignac number, because 6480561 - 2⁶ = 6480497 is a prime.

6480561 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6480563) 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, 1491 + ... + 3896.

It is an arithmetic number, because the mean of its divisors is an integer number (1082988).

Almost surely, 2^6480561 is an apocalyptic number.

It is an amenable number.

6480561 is a deficient number, since it is larger than the sum of its proper divisors (2183343).

6480561 is a wasteful number, since it uses less digits than its factorization.

6480561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5791.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 6480561 is about 2545.6946006935. The cubic root of 6480561 is about 186.4393303175.

The spelling of 6480561 in words is "six million, four hundred eighty thousand, five hundred sixty-one".