6855231 has 8 divisors (see below), whose sum is σ = 9156784. Its totient is φ = 4561920.

The previous prime is 6855229. The next prime is 6855253. The reversal of 6855231 is 1325586.

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

It is not a de Polignac number, because 6855231 - 2¹ = 6855229 is a prime.

It is a super-2 number, since 2×6855231² = 93988384126722, which contains 22 as substring.

It is a Duffinian number.

6855231 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6855221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 255 + ... + 3711.

It is an arithmetic number, because the mean of its divisors is an integer number (1144598).

Almost surely, 2^6855231 is an apocalyptic number.

6855231 is a deficient number, since it is larger than the sum of its proper divisors (2301553).

6855231 is a wasteful number, since it uses less digits than its factorization.

6855231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4121.

The product of its digits is 7200, while the sum is 30.

The square root of 6855231 is about 2618.2496061300. The cubic root of 6855231 is about 189.9651921462.

The spelling of 6855231 in words is "six million, eight hundred fifty-five thousand, two hundred thirty-one".