6949247 has 2 divisors, whose sum is σ = 6949248. Its totient is φ = 6949246.

The previous prime is 6949223. The next prime is 6949259. The reversal of 6949247 is 7429496.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6949247 - 2¹⁶ = 6883711 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 6² + 9⁵ + 4⁶ + 9⁶ + 2¹⁹ + 4⁸ + 7⁸ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6949207) 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, 3474623 + 3474624.

It is an arithmetic number, because the mean of its divisors is an integer number (3474624).

Almost surely, 2^6949247 is an apocalyptic number.

6949247 is a deficient number, since it is larger than the sum of its proper divisors (1).

6949247 is an equidigital number, since it uses as much as digits as its factorization.

6949247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 6949247 is about 2636.1424468340. The cubic root of 6949247 is about 190.8296773876.

Subtracting 6949247 from its reverse (7429496), we obtain a square (480249 = 693²).

The spelling of 6949247 in words is "six million, nine hundred forty-nine thousand, two hundred forty-seven".