26550263 has 2 divisors, whose sum is σ = 26550264. Its totient is φ = 26550262.

The previous prime is 26550233. The next prime is 26550269. The reversal of 26550263 is 36205562.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26550263 - 2¹² = 26546167 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26550269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13275131 + 13275132.

It is an arithmetic number, because the mean of its divisors is an integer number (13275132).

Almost surely, 2^26550263 is an apocalyptic number.

26550263 is a deficient number, since it is larger than the sum of its proper divisors (1).

26550263 is an equidigital number, since it uses as much as digits as its factorization.

26550263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 26550263 is about 5152.6947318854. The cubic root of 26550263 is about 298.3249724222.

The spelling of 26550263 in words is "twenty-six million, five hundred fifty thousand, two hundred sixty-three".