26785249 has 2 divisors, whose sum is σ = 26785250. Its totient is φ = 26785248.

The previous prime is 26785243. The next prime is 26785261. The reversal of 26785249 is 94258762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26780625 + 4624 = 5175^2 + 68^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26785249 is a prime.

It is not a weakly prime, because it can be changed into another prime (26785243) 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, 13392624 + 13392625.

It is an arithmetic number, because the mean of its divisors is an integer number (13392625).

Almost surely, 2^26785249 is an apocalyptic number.

It is an amenable number.

26785249 is a deficient number, since it is larger than the sum of its proper divisors (1).

26785249 is an equidigital number, since it uses as much as digits as its factorization.

26785249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 26785249 is about 5175.4467440019. The cubic root of 26785249 is about 299.2025078252.

The spelling of 26785249 in words is "twenty-six million, seven hundred eighty-five thousand, two hundred forty-nine".