6538231 has 4 divisors (see below), whose sum is σ = 7472272. Its totient is φ = 5604192.

The previous prime is 6538219. The next prime is 6538267. The reversal of 6538231 is 1328356.

6538231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6538231 is a prime.

It is a super-2 number, since 2×6538231² = 85496929218722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6538231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6538201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467010 + ... + 467023.

It is an arithmetic number, because the mean of its divisors is an integer number (1868068).

Almost surely, 2^6538231 is an apocalyptic number.

6538231 is a deficient number, since it is larger than the sum of its proper divisors (934041).

6538231 is an equidigital number, since it uses as much as digits as its factorization.

6538231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934040.

The product of its digits is 4320, while the sum is 28.

The square root of 6538231 is about 2556.9964802479. The cubic root of 6538231 is about 186.9907341916.

The spelling of 6538231 in words is "six million, five hundred thirty-eight thousand, two hundred thirty-one".