6943243 has 2 divisors, whose sum is σ = 6943244. Its totient is φ = 6943242.

The previous prime is 6943241. The next prime is 6943247. The reversal of 6943243 is 3423496.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6943243 - 2¹ = 6943241 is a prime.

Together with 6943241, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 6⁶ + 9 + 4³ + 3² + 2²¹ + 4⁷ + 3¹⁴ .

6943243 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6943241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3471621 + 3471622.

It is an arithmetic number, because the mean of its divisors is an integer number (3471622).

Almost surely, 2^6943243 is an apocalyptic number.

6943243 is a deficient number, since it is larger than the sum of its proper divisors (1).

6943243 is an equidigital number, since it uses as much as digits as its factorization.

6943243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 31.

The square root of 6943243 is about 2635.0034155576. The cubic root of 6943243 is about 190.7747039731.

The spelling of 6943243 in words is "six million, nine hundred forty-three thousand, two hundred forty-three".