6530663 has 2 divisors, whose sum is σ = 6530664. Its totient is φ = 6530662.

The previous prime is 6530659. The next prime is 6530681. The reversal of 6530663 is 3660356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6530663 - 2² = 6530659 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6530683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3265331 + 3265332.

It is an arithmetic number, because the mean of its divisors is an integer number (3265332).

Almost surely, 2^6530663 is an apocalyptic number.

6530663 is a deficient number, since it is larger than the sum of its proper divisors (1).

6530663 is an equidigital number, since it uses as much as digits as its factorization.

6530663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 6530663 is about 2555.5161905181. The cubic root of 6530663 is about 186.9185591013.

The spelling of 6530663 in words is "six million, five hundred thirty thousand, six hundred sixty-three".