26801149 has 2 divisors, whose sum is σ = 26801150. Its totient is φ = 26801148.

The previous prime is 26801123. The next prime is 26801161. The reversal of 26801149 is 94110862.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24078649 + 2722500 = 4907^2 + 1650^2 .

It is a cyclic number.

It is not a de Polignac number, because 26801149 - 2⁹ = 26800637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26801149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26801119) 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, 13400574 + 13400575.

It is an arithmetic number, because the mean of its divisors is an integer number (13400575).

Almost surely, 2^26801149 is an apocalyptic number.

It is an amenable number.

26801149 is a deficient number, since it is larger than the sum of its proper divisors (1).

26801149 is an equidigital number, since it uses as much as digits as its factorization.

26801149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 26801149 is about 5176.9826153851. The cubic root of 26801149 is about 299.2616993458.

The spelling of 26801149 in words is "twenty-six million, eight hundred one thousand, one hundred forty-nine".