6943247 has 2 divisors, whose sum is σ = 6943248. Its totient is φ = 6943246.

The previous prime is 6943243. The next prime is 6943271. The reversal of 6943247 is 7423496.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6943247 - 2² = 6943243 is a prime.

It is a d-powerful number, because it can be written as 6⁷ + 9⁷ + 4 + 3³ + 2¹³ + 4¹⁰ + 7⁷ .

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3471623 + 3471624.

It is an arithmetic number, because the mean of its divisors is an integer number (3471624).

Almost surely, 2^6943247 is an apocalyptic number.

6943247 is a deficient number, since it is larger than the sum of its proper divisors (1).

6943247 is an equidigital number, since it uses as much as digits as its factorization.

6943247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 6943247 is about 2635.0041745697. The cubic root of 6943247 is about 190.7747406082.

Subtracting 6943247 from its reverse (7423496), we obtain a square (480249 = 693²).

The spelling of 6943247 in words is "six million, nine hundred forty-three thousand, two hundred forty-seven".