10321643 has 2 divisors, whose sum is σ = 10321644. Its totient is φ = 10321642.

The previous prime is 10321639. The next prime is 10321679. The reversal of 10321643 is 34612301.

10321643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10321643 - 2² = 10321639 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10329643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5160821 + 5160822.

It is an arithmetic number, because the mean of its divisors is an integer number (5160822).

Almost surely, 2^10321643 is an apocalyptic number.

10321643 is a deficient number, since it is larger than the sum of its proper divisors (1).

10321643 is an equidigital number, since it uses as much as digits as its factorization.

10321643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 10321643 is about 3212.7313924448. The cubic root of 10321643 is about 217.7290000105.

Adding to 10321643 its reverse (34612301), we get a palindrome (44933944).

The spelling of 10321643 in words is "ten million, three hundred twenty-one thousand, six hundred forty-three".