5399 has 2 divisors, whose sum is σ = 5400.
Its totient is φ = 5398.
The previous prime is 5393. The next prime is 5407. The reversal of 5399 is 9935.
5399 is nontrivially palindromic in base 7.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 5399 - 212 = 1303 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
5399 is a modest number, since divided by 99 gives 53 as remainder.
It is a plaindrome in base 15.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (5393) 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, 2699 + 2700.
It is an arithmetic number, because the mean of its divisors is an integer number (2700).
25399 is an apocalyptic number.
5399 is a deficient number, since it is larger than the sum of its proper divisors (1).
5399 is an equidigital number, since it uses as much as digits as its factorization.
5399 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1215, while the sum is 26.
The square root of 5399 is about 73.4778878303.
The cubic root of 5399 is about 17.5430233929.
It can be divided in two parts, 539 and 9, that multiplied together give a triangular number (4851 = T98).
The spelling of 5399 in words is "five thousand, three hundred ninety-nine".