26761243 has 2 divisors, whose sum is σ = 26761244. Its totient is φ = 26761242.

The previous prime is 26761223. The next prime is 26761261. The reversal of 26761243 is 34216762.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26761243 - 2⁵ = 26761211 is a prime.

It is not a weakly prime, because it can be changed into another prime (26761223) 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, 13380621 + 13380622.

It is an arithmetic number, because the mean of its divisors is an integer number (13380622).

Almost surely, 2^26761243 is an apocalyptic number.

26761243 is a deficient number, since it is larger than the sum of its proper divisors (1).

26761243 is an equidigital number, since it uses as much as digits as its factorization.

26761243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

The square root of 26761243 is about 5173.1270040470. The cubic root of 26761243 is about 299.1130953994.

The spelling of 26761243 in words is "twenty-six million, seven hundred sixty-one thousand, two hundred forty-three".