6382643 has 2 divisors, whose sum is σ = 6382644. Its totient is φ = 6382642.

The previous prime is 6382637. The next prime is 6382681. The reversal of 6382643 is 3462836.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6382643 - 2¹⁰ = 6381619 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6382543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3191321 + 3191322.

It is an arithmetic number, because the mean of its divisors is an integer number (3191322).

Almost surely, 2^6382643 is an apocalyptic number.

6382643 is a deficient number, since it is larger than the sum of its proper divisors (1).

6382643 is an equidigital number, since it uses as much as digits as its factorization.

6382643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 32.

The square root of 6382643 is about 2526.3893207501. The cubic root of 6382643 is about 185.4955595985.

The spelling of 6382643 in words is "six million, three hundred eighty-two thousand, six hundred forty-three".