2659 has 2 divisors, whose sum is σ = 2660. Its totient is φ = 2658.
The previous prime is 2657. The next prime is 2663. The reversal of 2659 is 9562.
2659 is nontrivially palindromic in base 5 and base 14.
2659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2659 - 21 = 2657 is a prime.
Together with 2657, it forms a pair of twin primes.
It is a Chen prime.
2659 is an undulating number in base 14.
It is a nialpdrome in base 16.
It is not a weakly prime, because it can be changed into another prime (2657) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1329 + 1330.
It is an arithmetic number, because the mean of its divisors is an integer number (1330).
22659 is an apocalyptic number.
2659 is a deficient number, since it is larger than the sum of its proper divisors (1).
2659 is an equidigital number, since it uses as much as digits as its factorization.
2659 is an evil number, because the sum of its binary digits is even.
The product of its digits is 540, while the sum is 22.
The square root of 2659 is about 51.5654923374. The cubic root of 2659 is about 13.8539233065.
Adding to 2659 its reverse (9562), we get a palindrome (12221).
Subtracting 2659 from its reverse (9562), we obtain a triangular number (6903 = T117).
The spelling of 2659 in words is "two thousand, six hundred fifty-nine".
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