26391353 has 2 divisors, whose sum is σ = 26391354. Its totient is φ = 26391352.

The previous prime is 26391347. The next prime is 26391371. The reversal of 26391353 is 35319362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15155449 + 11235904 = 3893^2 + 3352^2 .

It is a cyclic number.

It is not a de Polignac number, because 26391353 - 2⁶ = 26391289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26391383) 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, 13195676 + 13195677.

It is an arithmetic number, because the mean of its divisors is an integer number (13195677).

Almost surely, 2^26391353 is an apocalyptic number.

It is an amenable number.

26391353 is a deficient number, since it is larger than the sum of its proper divisors (1).

26391353 is an equidigital number, since it uses as much as digits as its factorization.

26391353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 32.

The square root of 26391353 is about 5137.2515025060. The cubic root of 26391353 is about 297.7285976933.

The spelling of 26391353 in words is "twenty-six million, three hundred ninety-one thousand, three hundred fifty-three".