26798251 has 2 divisors, whose sum is σ = 26798252. Its totient is φ = 26798250.

The previous prime is 26798221. The next prime is 26798279. The reversal of 26798251 is 15289762.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26798251 - 2⁹ = 26797739 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26798201) 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, 13399125 + 13399126.

It is an arithmetic number, because the mean of its divisors is an integer number (13399126).

Almost surely, 2^26798251 is an apocalyptic number.

26798251 is a deficient number, since it is larger than the sum of its proper divisors (1).

26798251 is an equidigital number, since it uses as much as digits as its factorization.

26798251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 40.

The square root of 26798251 is about 5176.7027150494. The cubic root of 26798251 is about 299.2509125985.

The spelling of 26798251 in words is "twenty-six million, seven hundred ninety-eight thousand, two hundred fifty-one".