26368213 has 2 divisors, whose sum is σ = 26368214. Its totient is φ = 26368212.

The previous prime is 26368201. The next prime is 26368229. The reversal of 26368213 is 31286362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20007729 + 6360484 = 4473^2 + 2522^2 .

It is a cyclic number.

It is not a de Polignac number, because 26368213 - 2²¹ = 24271061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26368273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13184106 + 13184107.

It is an arithmetic number, because the mean of its divisors is an integer number (13184107).

Almost surely, 2^26368213 is an apocalyptic number.

It is an amenable number.

26368213 is a deficient number, since it is larger than the sum of its proper divisors (1).

26368213 is an equidigital number, since it uses as much as digits as its factorization.

26368213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 26368213 is about 5134.9988315481. The cubic root of 26368213 is about 297.6415558720.

The spelling of 26368213 in words is "twenty-six million, three hundred sixty-eight thousand, two hundred thirteen".