26051117 has 2 divisors, whose sum is σ = 26051118. Its totient is φ = 26051116.

The previous prime is 26051057. The next prime is 26051131. The reversal of 26051117 is 71115062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16434916 + 9616201 = 4054^2 + 3101^2 .

It is a cyclic number.

It is not a de Polignac number, because 26051117 - 2¹⁴ = 26034733 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26051092 and 26051101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26051197) 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, 13025558 + 13025559.

It is an arithmetic number, because the mean of its divisors is an integer number (13025559).

Almost surely, 2^26051117 is an apocalyptic number.

It is an amenable number.

26051117 is a deficient number, since it is larger than the sum of its proper divisors (1).

26051117 is an equidigital number, since it uses as much as digits as its factorization.

26051117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 26051117 is about 5104.0294865919. The cubic root of 26051117 is about 296.4436257871.

Adding to 26051117 its reverse (71115062), we get a palindrome (97166179).

The spelling of 26051117 in words is "twenty-six million, fifty-one thousand, one hundred seventeen".