26268149 has 2 divisors, whose sum is σ = 26268150. Its totient is φ = 26268148.

The previous prime is 26268133. The next prime is 26268163. The reversal of 26268149 is 94186262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23522500 + 2745649 = 4850^2 + 1657^2 .

It is a cyclic number.

It is not a de Polignac number, because 26268149 - 2⁴ = 26268133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26268049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13134074 + 13134075.

It is an arithmetic number, because the mean of its divisors is an integer number (13134075).

Almost surely, 2^26268149 is an apocalyptic number.

It is an amenable number.

26268149 is a deficient number, since it is larger than the sum of its proper divisors (1).

26268149 is an equidigital number, since it uses as much as digits as its factorization.

26268149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 38.

The square root of 26268149 is about 5125.2462379870. The cubic root of 26268149 is about 297.2645747096.

The spelling of 26268149 in words is "twenty-six million, two hundred sixty-eight thousand, one hundred forty-nine".