6322643 has 2 divisors, whose sum is σ = 6322644. Its totient is φ = 6322642.

The previous prime is 6322639. The next prime is 6322661. The reversal of 6322643 is 3462236.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6322643 - 2² = 6322639 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6322633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3161321 + 3161322.

It is an arithmetic number, because the mean of its divisors is an integer number (3161322).

Almost surely, 2^6322643 is an apocalyptic number.

6322643 is a deficient number, since it is larger than the sum of its proper divisors (1).

6322643 is an equidigital number, since it uses as much as digits as its factorization.

6322643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 26.

The square root of 6322643 is about 2514.4866275246. The cubic root of 6322643 is about 184.9124786889.

Adding to 6322643 its reverse (3462236), we get a palindrome (9784879).

The spelling of 6322643 in words is "six million, three hundred twenty-two thousand, six hundred forty-three".