26560231 has 2 divisors, whose sum is σ = 26560232. Its totient is φ = 26560230.

The previous prime is 26560153. The next prime is 26560243. The reversal of 26560231 is 13206562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26560231 - 2⁹ = 26559719 is a prime.

It is a super-2 number, since 2×26560231² = 1410891741546722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26560196 and 26560205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26560291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13280115 + 13280116.

It is an arithmetic number, because the mean of its divisors is an integer number (13280116).

Almost surely, 2^26560231 is an apocalyptic number.

26560231 is a deficient number, since it is larger than the sum of its proper divisors (1).

26560231 is an equidigital number, since it uses as much as digits as its factorization.

26560231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 26560231 is about 5153.6619019878. The cubic root of 26560231 is about 298.3623020117.

Adding to 26560231 its reverse (13206562), we get a palindrome (39766793).

The spelling of 26560231 in words is "twenty-six million, five hundred sixty thousand, two hundred thirty-one".