26366231 has 2 divisors, whose sum is σ = 26366232. Its totient is φ = 26366230.

The previous prime is 26366227. The next prime is 26366233. The reversal of 26366231 is 13266362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26366231 - 2² = 26366227 is a prime.

It is a super-2 number, since 2×26366231² = 1390356274290722, which contains 22 as substring.

Together with 26366233, 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 = 26366194 and 26366203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26366233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13183115 + 13183116.

It is an arithmetic number, because the mean of its divisors is an integer number (13183116).

Almost surely, 2^26366231 is an apocalyptic number.

26366231 is a deficient number, since it is larger than the sum of its proper divisors (1).

26366231 is an equidigital number, since it uses as much as digits as its factorization.

26366231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 29.

The square root of 26366231 is about 5134.8058385883. The cubic root of 26366231 is about 297.6340981508.

The spelling of 26366231 in words is "twenty-six million, three hundred sixty-six thousand, two hundred thirty-one".