5278231 has 6 divisors (see below), whose sum is σ = 6140040. Its totient is φ = 4524156.

The previous prime is 5278223. The next prime is 5278237. The reversal of 5278231 is 1328725.

It is not a de Polignac number, because 5278231 - 2³ = 5278223 is a prime.

It is a super-2 number, since 2×5278231² = 55719444978722, 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 5278231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53811 + ... + 53908.

It is an arithmetic number, because the mean of its divisors is an integer number (1023340).

Almost surely, 2^5278231 is an apocalyptic number.

5278231 is a deficient number, since it is larger than the sum of its proper divisors (861809).

5278231 is a wasteful number, since it uses less digits than its factorization.

5278231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107733 (or 107726 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 5278231 is about 2297.4400971516. The cubic root of 5278231 is about 174.1123047401.

The spelling of 5278231 in words is "five million, two hundred seventy-eight thousand, two hundred thirty-one".