6413243 has 2 divisors, whose sum is σ = 6413244. Its totient is φ = 6413242.

The previous prime is 6413219. The next prime is 6413273. The reversal of 6413243 is 3423146.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6413243 - 2¹⁶ = 6347707 is a prime.

It is a super-2 number, since 2×6413243² = 82259371554098, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6413213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3206621 + 3206622.

It is an arithmetic number, because the mean of its divisors is an integer number (3206622).

Almost surely, 2^6413243 is an apocalyptic number.

6413243 is a deficient number, since it is larger than the sum of its proper divisors (1).

6413243 is an equidigital number, since it uses as much as digits as its factorization.

6413243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 23.

The square root of 6413243 is about 2532.4381532428. The cubic root of 6413243 is about 185.7915246201.

Adding to 6413243 its reverse (3423146), we get a palindrome (9836389).

The spelling of 6413243 in words is "six million, four hundred thirteen thousand, two hundred forty-three".