6380663 has 2 divisors, whose sum is σ = 6380664. Its totient is φ = 6380662.

The previous prime is 6380659. The next prime is 6380669. The reversal of 6380663 is 3660836.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6380663 - 2² = 6380659 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 (6380669) 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, 3190331 + 3190332.

It is an arithmetic number, because the mean of its divisors is an integer number (3190332).

Almost surely, 2^6380663 is an apocalyptic number.

6380663 is a deficient number, since it is larger than the sum of its proper divisors (1).

6380663 is an equidigital number, since it uses as much as digits as its factorization.

6380663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 6380663 is about 2525.9974267604. The cubic root of 6380663 is about 185.4763763650.

The spelling of 6380663 in words is "six million, three hundred eighty thousand, six hundred sixty-three".