26108249 has 2 divisors, whose sum is σ = 26108250. Its totient is φ = 26108248.

The previous prime is 26108237. The next prime is 26108281. The reversal of 26108249 is 94280162.

It is an a-pointer prime, because the next prime (26108281) can be obtained adding 26108249 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22278400 + 3829849 = 4720^2 + 1957^2 .

It is a cyclic number.

It is not a de Polignac number, because 26108249 - 2⁸ = 26107993 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (26108219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13054124 + 13054125.

It is an arithmetic number, because the mean of its divisors is an integer number (13054125).

Almost surely, 2^26108249 is an apocalyptic number.

It is an amenable number.

26108249 is a deficient number, since it is larger than the sum of its proper divisors (1).

26108249 is an equidigital number, since it uses as much as digits as its factorization.

26108249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 26108249 is about 5109.6231759299. The cubic root of 26108249 is about 296.6601750603.

The spelling of 26108249 in words is "twenty-six million, one hundred eight thousand, two hundred forty-nine".