26444413 has 2 divisors, whose sum is σ = 26444414. Its totient is φ = 26444412.

The previous prime is 26444389. The next prime is 26444417. The reversal of 26444413 is 31444462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26399044 + 45369 = 5138^2 + 213^2 .

It is a cyclic number.

It is not a de Polignac number, because 26444413 - 2¹⁷ = 26313341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26444417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13222206 + 13222207.

It is an arithmetic number, because the mean of its divisors is an integer number (13222207).

Almost surely, 2^26444413 is an apocalyptic number.

It is an amenable number.

26444413 is a deficient number, since it is larger than the sum of its proper divisors (1).

26444413 is an equidigital number, since it uses as much as digits as its factorization.

26444413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 28.

The square root of 26444413 is about 5142.4131494854. The cubic root of 26444413 is about 297.9279926014.

Adding to 26444413 its reverse (31444462), we get a palindrome (57888875).

The spelling of 26444413 in words is "twenty-six million, four hundred forty-four thousand, four hundred thirteen".