26612231 has 2 divisors, whose sum is σ = 26612232. Its totient is φ = 26612230.

The previous prime is 26612203. The next prime is 26612233. The reversal of 26612231 is 13221662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26612231 - 2¹⁴ = 26595847 is a prime.

It is a super-2 number, since 2×26612231² = 1416421677594722, which contains 22 as substring.

Together with 26612233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26612197 and 26612206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26612233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13306115 + 13306116.

It is an arithmetic number, because the mean of its divisors is an integer number (13306116).

Almost surely, 2^26612231 is an apocalyptic number.

26612231 is a deficient number, since it is larger than the sum of its proper divisors (1).

26612231 is an equidigital number, since it uses as much as digits as its factorization.

26612231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 26612231 is about 5158.7043916084. The cubic root of 26612231 is about 298.5568877396.

Adding to 26612231 its reverse (13221662), we get a palindrome (39833893).

The spelling of 26612231 in words is "twenty-six million, six hundred twelve thousand, two hundred thirty-one".