6825689 has 8 divisors (see below), whose sum is σ = 7419720. Its totient is φ = 6241536.

The previous prime is 6825683. The next prime is 6825697. The reversal of 6825689 is 9865286.

It is a happy number.

6825689 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 24025 + 6801664 = 155^2 + 2608^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6825689 - 2²⁰ = 5777113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6825683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992 + ... + 3825.

It is an arithmetic number, because the mean of its divisors is an integer number (927465).

Almost surely, 2^6825689 is an apocalyptic number.

It is an amenable number.

6825689 is a deficient number, since it is larger than the sum of its proper divisors (594031).

6825689 is a wasteful number, since it uses less digits than its factorization.

6825689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4939.

The product of its digits is 207360, while the sum is 44.

The square root of 6825689 is about 2612.6019597329. The cubic root of 6825689 is about 189.6919199321.

The spelling of 6825689 in words is "six million, eight hundred twenty-five thousand, six hundred eighty-nine".