6881825 has 12 divisors (see below), whose sum is σ = 8594688. Its totient is φ = 5466000.

The previous prime is 6881803. The next prime is 6881839. The reversal of 6881825 is 5281886.

It is not a de Polignac number, because 6881825 - 2¹² = 6877729 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2864 + ... + 4686.

It is an arithmetic number, because the mean of its divisors is an integer number (716224).

Almost surely, 2^6881825 is an apocalyptic number.

It is an amenable number.

6881825 is a deficient number, since it is larger than the sum of its proper divisors (1712863).

6881825 is a wasteful number, since it uses less digits than its factorization.

6881825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984 (or 1979 counting only the distinct ones).

The product of its digits is 30720, while the sum is 38.

The square root of 6881825 is about 2623.3232740171. The cubic root of 6881825 is about 190.2105238053.

The spelling of 6881825 in words is "six million, eight hundred eighty-one thousand, eight hundred twenty-five".