6853925 has 12 divisors (see below), whose sum is σ = 9153060. Its totient is φ = 5061120.

The previous prime is 6853921. The next prime is 6853937. The reversal of 6853925 is 5293586.

6853925 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 2618²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 1 + 6853924 = 1^2 + 2618^2 .

It is not a de Polignac number, because 6853925 - 2² = 6853921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6853921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10220 + ... + 10869.

It is an arithmetic number, because the mean of its divisors is an integer number (762755).

Almost surely, 2^6853925 is an apocalyptic number.

6853925 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6853925 is a deficient number, since it is larger than the sum of its proper divisors (2299135).

6853925 is a wasteful number, since it uses less digits than its factorization.

6853925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21112 (or 21107 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 6853925 is about 2618.0001909855. Note that the first 3 decimals coincide. The cubic root of 6853925 is about 189.9531278653.

The spelling of 6853925 in words is "six million, eight hundred fifty-three thousand, nine hundred twenty-five".