26384231 has 2 divisors, whose sum is σ = 26384232. Its totient is φ = 26384230.

The previous prime is 26384209. The next prime is 26384233. The reversal of 26384231 is 13248362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26384231 - 2²² = 22189927 is a prime.

It is a super-2 number, since 2×26384231² = 1392255290922722, which contains 22 as substring.

Together with 26384233, 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 = 26384194 and 26384203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26384233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13192115 + 13192116.

It is an arithmetic number, because the mean of its divisors is an integer number (13192116).

Almost surely, 2^26384231 is an apocalyptic number.

26384231 is a deficient number, since it is larger than the sum of its proper divisors (1).

26384231 is an equidigital number, since it uses as much as digits as its factorization.

26384231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

The square root of 26384231 is about 5136.5582835202. The cubic root of 26384231 is about 297.7018134931.

The spelling of 26384231 in words is "twenty-six million, three hundred eighty-four thousand, two hundred thirty-one".