6449243 has 2 divisors, whose sum is σ = 6449244. Its totient is φ = 6449242.

The previous prime is 6449237. The next prime is 6449257. The reversal of 6449243 is 3429446.

6449243 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 6449243 - 2¹² = 6445147 is a prime.

It is not a weakly prime, because it can be changed into another prime (6449213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3224621 + 3224622.

It is an arithmetic number, because the mean of its divisors is an integer number (3224622).

Almost surely, 2^6449243 is an apocalyptic number.

6449243 is a deficient number, since it is larger than the sum of its proper divisors (1).

6449243 is an equidigital number, since it uses as much as digits as its factorization.

6449243 is an odious number, because the sum of its binary digits is odd.

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

The square root of 6449243 is about 2539.5359812375. The cubic root of 6449243 is about 186.1385159285.

The spelling of 6449243 in words is "six million, four hundred forty-nine thousand, two hundred forty-three".