6480563 has 2 divisors, whose sum is σ = 6480564. Its totient is φ = 6480562.

The previous prime is 6480547. The next prime is 6480599. The reversal of 6480563 is 3650846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6480563 - 2⁴ = 6480547 is a prime.

It is not a weakly prime, because it can be changed into another prime (6480533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3240281 + 3240282.

It is an arithmetic number, because the mean of its divisors is an integer number (3240282).

Almost surely, 2^6480563 is an apocalyptic number.

6480563 is a deficient number, since it is larger than the sum of its proper divisors (1).

6480563 is an equidigital number, since it uses as much as digits as its factorization.

6480563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 6480563 is about 2545.6949935136. The cubic root of 6480563 is about 186.4393494969.

The spelling of 6480563 in words is "six million, four hundred eighty thousand, five hundred sixty-three".