26439313 has 2 divisors, whose sum is σ = 26439314. Its totient is φ = 26439312.

The previous prime is 26439299. The next prime is 26439331. The reversal of 26439313 is 31393462.

Together with next prime (26439331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15303744 + 11135569 = 3912^2 + 3337^2 .

It is a cyclic number.

It is not a de Polignac number, because 26439313 - 2¹⁷ = 26308241 is a prime.

It is not a weakly prime, because it can be changed into another prime (26439353) 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, 13219656 + 13219657.

It is an arithmetic number, because the mean of its divisors is an integer number (13219657).

Almost surely, 2^26439313 is an apocalyptic number.

It is an amenable number.

26439313 is a deficient number, since it is larger than the sum of its proper divisors (1).

26439313 is an equidigital number, since it uses as much as digits as its factorization.

26439313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 31.

The square root of 26439313 is about 5141.9172494314. The cubic root of 26439313 is about 297.9088388335.

The spelling of 26439313 in words is "twenty-six million, four hundred thirty-nine thousand, three hundred thirteen".