26641313 has 2 divisors, whose sum is σ = 26641314. Its totient is φ = 26641312.

The previous prime is 26641309. The next prime is 26641357. The reversal of 26641313 is 31314662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13630864 + 13010449 = 3692^2 + 3607^2 .

It is a cyclic number.

It is not a de Polignac number, because 26641313 - 2² = 26641309 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26641213) 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, 13320656 + 13320657.

It is an arithmetic number, because the mean of its divisors is an integer number (13320657).

Almost surely, 2^26641313 is an apocalyptic number.

It is an amenable number.

26641313 is a deficient number, since it is larger than the sum of its proper divisors (1).

26641313 is an equidigital number, since it uses as much as digits as its factorization.

26641313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

The square root of 26641313 is about 5161.5223529498. The cubic root of 26641313 is about 298.6656030457.

Adding to 26641313 its reverse (31314662), we get a palindrome (57955975).

The spelling of 26641313 in words is "twenty-six million, six hundred forty-one thousand, three hundred thirteen".