26231 has 4 divisors (see below), whose sum is σ = 27792. Its totient is φ = 24672.

The previous prime is 26227. The next prime is 26237. The reversal of 26231 is 13262.

26231 = T₃ + T₄ + ... + T₅₃.

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

It is a cyclic number.

It is not a de Polignac number, because 26231 - 2² = 26227 is a prime.

It is a super-2 number, since 2×26231² = 1376130722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26237) 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, 755 + ... + 788.

It is an arithmetic number, because the mean of its divisors is an integer number (6948).

2²⁶²³¹ is an apocalyptic number.

26231 is a deficient number, since it is larger than the sum of its proper divisors (1561).

26231 is a wasteful number, since it uses less digits than its factorization.

26231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560.

The product of its digits is 72, while the sum is 14.

The square root of 26231 is about 161.9598715732. The cubic root of 26231 is about 29.7124375876.

Adding to 26231 its reverse (13262), we get a palindrome (39493).

It can be divided in two parts, 26 and 231, that multiplied together give a palindrome (6006).

The spelling of 26231 in words is "twenty-six thousand, two hundred thirty-one".