27231 has 8 divisors (see below), whose sum is σ = 37680. Its totient is φ = 17472.

The previous prime is 27211. The next prime is 27239. The reversal of 27231 is 13272.

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

It is not a de Polignac number, because 27231 - 2⁷ = 27103 is a prime.

It is a super-2 number, since 2×27231² = 1483054722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70 + ... + 243.

It is an arithmetic number, because the mean of its divisors is an integer number (4710).

2²⁷²³¹ is an apocalyptic number.

27231 is a deficient number, since it is larger than the sum of its proper divisors (10449).

27231 is a wasteful number, since it uses less digits than its factorization.

27231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345.

The product of its digits is 84, while the sum is 15.

The square root of 27231 is about 165.0181808165. The cubic root of 27231 is about 30.0853127169.

It can be divided in two parts, 272 and 31, that added together give a palindrome (303).

The spelling of 27231 in words is "twenty-seven thousand, two hundred thirty-one".