6831725 has 6 divisors (see below), whose sum is σ = 8471370. Its totient is φ = 5465360.

The previous prime is 6831719. The next prime is 6831751. The reversal of 6831725 is 5271386.

It is a happy number.

6831725 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 3 ways, for example, as 491401 + 6340324 = 701^2 + 2518^2 .

It is not a de Polignac number, because 6831725 - 2⁴ = 6831709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6831691 and 6831700.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 136610 + ... + 136659.

It is an arithmetic number, because the mean of its divisors is an integer number (1411895).

Almost surely, 2^6831725 is an apocalyptic number.

It is an amenable number.

6831725 is a deficient number, since it is larger than the sum of its proper divisors (1639645).

6831725 is a wasteful number, since it uses less digits than its factorization.

6831725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273279 (or 273274 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 6831725 is about 2613.7568746921. The cubic root of 6831725 is about 189.7478187134.

The spelling of 6831725 in words is "six million, eight hundred thirty-one thousand, seven hundred twenty-five".