26438263 has 2 divisors, whose sum is σ = 26438264. Its totient is φ = 26438262.

The previous prime is 26438261. The next prime is 26438297. The reversal of 26438263 is 36283462.

It is an a-pointer prime, because the next prime (26438297) can be obtained adding 26438263 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26438263 - 2¹ = 26438261 is a prime.

Together with 26438261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26438261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13219131 + 13219132.

It is an arithmetic number, because the mean of its divisors is an integer number (13219132).

Almost surely, 2^26438263 is an apocalyptic number.

26438263 is a deficient number, since it is larger than the sum of its proper divisors (1).

26438263 is an equidigital number, since it uses as much as digits as its factorization.

26438263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 34.

The square root of 26438263 is about 5141.8151464245. The cubic root of 26438263 is about 297.9048951049.

The spelling of 26438263 in words is "twenty-six million, four hundred thirty-eight thousand, two hundred sixty-three".