26953249 has 2 divisors, whose sum is σ = 26953250. Its totient is φ = 26953248.

The previous prime is 26953247. The next prime is 26953261. The reversal of 26953249 is 94235962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26708224 + 245025 = 5168^2 + 495^2 .

It is a cyclic number.

It is not a de Polignac number, because 26953249 - 2¹ = 26953247 is a prime.

Together with 26953247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26953247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13476624 + 13476625.

It is an arithmetic number, because the mean of its divisors is an integer number (13476625).

Almost surely, 2^26953249 is an apocalyptic number.

It is an amenable number.

26953249 is a deficient number, since it is larger than the sum of its proper divisors (1).

26953249 is an equidigital number, since it uses as much as digits as its factorization.

26953249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 40.

The square root of 26953249 is about 5191.6518565867. The cubic root of 26953249 is about 299.8267481134.

The spelling of 26953249 in words is "twenty-six million, nine hundred fifty-three thousand, two hundred forty-nine".