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26317 is a prime number
BaseRepresentation
bin110011011001101
31100002201
412123031
51320232
6321501
7136504
oct63315
940081
1026317
1118855
1213291
13bc95
14983b
157be7
hex66cd

26317 has 2 divisors, whose sum is σ = 26318. Its totient is φ = 26316.

The previous prime is 26309. The next prime is 26321. The reversal of 26317 is 71362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23716 + 2601 = 154^2 + 51^2 .

26317 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 26317 - 23 = 26309 is a prime.

It is an Ulam number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 26294 and 26303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13158 + 13159.

It is an arithmetic number, because the mean of its divisors is an integer number (13159).

226317 is an apocalyptic number.

It is an amenable number.

26317 is a deficient number, since it is larger than the sum of its proper divisors (1).

26317 is an equidigital number, since it uses as much as digits as its factorization.

26317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252, while the sum is 19.

The square root of 26317 is about 162.2251521805. The cubic root of 26317 is about 29.7448735370.

Adding to 26317 its product of digits (252), we get a square (26569 = 1632).

Adding to 26317 its reverse (71362), we get a palindrome (97679).

It can be divided in two parts, 26 and 317, that added together give a palindrome (343).

The spelling of 26317 in words is "twenty-six thousand, three hundred seventeen".