35591 has 2 divisors, whose sum is σ = 35592.
Its totient is φ = 35590.
The previous prime is 35573. The next prime is 35593. The reversal of 35591 is 19553.
It can be divided in two parts, 35 and 591, that added together give a palindrome (626).
35591 is nontrivially palindromic in base 9.
It is a strong prime.
It is an emirp because it is prime and its reverse (19553) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 35591 - 26 = 35527 is a prime.
Together with 35593, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 35591.
It is not a weakly prime, because it can be changed into another prime (35593) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17795 + 17796.
It is an arithmetic number, because the mean of its divisors is an integer number (17796).
235591 is an apocalyptic number.
35591 is a deficient number, since it is larger than the sum of its proper divisors (1).
35591 is an equidigital number, since it uses as much as digits as its factorization.
35591 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 675, while the sum is 23.
The square root of 35591 is about 188.6557711813.
The cubic root of 35591 is about 32.8937507185.
The spelling of 35591 in words is "thirty-five thousand, five hundred ninety-one".