6825947 has 2 divisors, whose sum is σ = 6825948. Its totient is φ = 6825946.

The previous prime is 6825943. The next prime is 6825953. The reversal of 6825947 is 7495286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6825947 - 2² = 6825943 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6⁵ + 8² + 2²⁰ + 5⁴ + 9 + 4⁶ + 7⁸ .

It is not a weakly prime, because it can be changed into another prime (6825943) 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, 3412973 + 3412974.

It is an arithmetic number, because the mean of its divisors is an integer number (3412974).

Almost surely, 2^6825947 is an apocalyptic number.

6825947 is a deficient number, since it is larger than the sum of its proper divisors (1).

6825947 is an equidigital number, since it uses as much as digits as its factorization.

6825947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 6825947 is about 2612.6513353297. The cubic root of 6825947 is about 189.6943099178.

The spelling of 6825947 in words is "six million, eight hundred twenty-five thousand, nine hundred forty-seven".