6855725 has 12 divisors (see below), whose sum is σ = 8871456. Its totient is φ = 5245680.

The previous prime is 6855707. The next prime is 6855757. The reversal of 6855725 is 5275586.

It is a de Polignac number, because none of the positive numbers 2^k-6855725 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 (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5387 + ... + 6536.

It is an arithmetic number, because the mean of its divisors is an integer number (739288).

Almost surely, 2^6855725 is an apocalyptic number.

It is an amenable number.

6855725 is a deficient number, since it is larger than the sum of its proper divisors (2015731).

6855725 is a wasteful number, since it uses less digits than its factorization.

6855725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11956 (or 11951 counting only the distinct ones).

The product of its digits is 84000, while the sum is 38.

The square root of 6855725 is about 2618.3439422658. The cubic root of 6855725 is about 189.9697551119.

The spelling of 6855725 in words is "six million, eight hundred fifty-five thousand, seven hundred twenty-five".