26081017 has 2 divisors, whose sum is σ = 26081018. Its totient is φ = 26081016.

The previous prime is 26080979. The next prime is 26081021. The reversal of 26081017 is 71018062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25644096 + 436921 = 5064^2 + 661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26081017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26080982 and 26081000.

It is not a weakly prime, because it can be changed into another prime (26081047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13040508 + 13040509.

It is an arithmetic number, because the mean of its divisors is an integer number (13040509).

Almost surely, 2^26081017 is an apocalyptic number.

It is an amenable number.

26081017 is a deficient number, since it is larger than the sum of its proper divisors (1).

26081017 is an equidigital number, since it uses as much as digits as its factorization.

26081017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 26081017 is about 5106.9577049355. The cubic root of 26081017 is about 296.5569961722.

Adding to 26081017 its reverse (71018062), we get a palindrome (97099079).

The spelling of 26081017 in words is "twenty-six million, eighty-one thousand, seventeen".