26541231 has 4 divisors (see below), whose sum is σ = 35388312. Its totient is φ = 17694152.

The previous prime is 26541223. The next prime is 26541257. The reversal of 26541231 is 13214562.

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 26541231 - 2³ = 26541223 is a prime.

It is a super-2 number, since 2×26541231² = 1408873885990722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26541211) 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, 4423536 + ... + 4423541.

It is an arithmetic number, because the mean of its divisors is an integer number (8847078).

Almost surely, 2^26541231 is an apocalyptic number.

26541231 is a deficient number, since it is larger than the sum of its proper divisors (8847081).

26541231 is an equidigital number, since it uses as much as digits as its factorization.

26541231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8847080.

The product of its digits is 1440, while the sum is 24.

The square root of 26541231 is about 5151.8182227249. The cubic root of 26541231 is about 298.2911400298.

Adding to 26541231 its reverse (13214562), we get a palindrome (39755793).

The spelling of 26541231 in words is "twenty-six million, five hundred forty-one thousand, two hundred thirty-one".