26288243 has 2 divisors, whose sum is σ = 26288244. Its totient is φ = 26288242.

The previous prime is 26288233. The next prime is 26288281. The reversal of 26288243 is 34288262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26288243 - 2²⁴ = 9511027 is a prime.

It is not a weakly prime, because it can be changed into another prime (26288233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13144121 + 13144122.

It is an arithmetic number, because the mean of its divisors is an integer number (13144122).

Almost surely, 2^26288243 is an apocalyptic number.

26288243 is a deficient number, since it is larger than the sum of its proper divisors (1).

26288243 is an equidigital number, since it uses as much as digits as its factorization.

26288243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 35.

The square root of 26288243 is about 5127.2061593035. The cubic root of 26288243 is about 297.3403535793.

The spelling of 26288243 in words is "twenty-six million, two hundred eighty-eight thousand, two hundred forty-three".