26563313 has 16 divisors (see below), whose sum is σ = 31044480. Its totient is φ = 22260096.

The previous prime is 26563279. The next prime is 26563331. The reversal of 26563313 is 31336562.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 26563313 - 2⁸ = 26563057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26563363) 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 in 15 ways as a sum of consecutive naturals, for example, 115883 + ... + 116111.

It is an arithmetic number, because the mean of its divisors is an integer number (1940280).

Almost surely, 2^26563313 is an apocalyptic number.

It is an amenable number.

26563313 is a deficient number, since it is larger than the sum of its proper divisors (4481167).

26563313 is a wasteful number, since it uses less digits than its factorization.

26563313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536.

The product of its digits is 9720, while the sum is 29.

The square root of 26563313 is about 5153.9609040038. The cubic root of 26563313 is about 298.3738420350.

Adding to 26563313 its reverse (31336562), we get a palindrome (57899875).

The spelling of 26563313 in words is "twenty-six million, five hundred sixty-three thousand, three hundred thirteen".