5519 has 2 divisors, whose sum is σ = 5520.
Its totient is φ = 5518.
The previous prime is 5507. The next prime is 5521. The reversal of 5519 is 9155.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 5519 - 24 = 5503 is a prime.
It is a super-2 number, since 2×55192 = 60918722, which contains 22 as substring.
Together with 5521, it forms a pair of twin primes.
It is a Chen prime.
It is a plaindrome in base 16.
It is a self number, because there is not a number n which added to its sum of digits gives 5519.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (5569) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2759 + 2760.
It is an arithmetic number, because the mean of its divisors is an integer number (2760).
25519 is an apocalyptic number.
5519 is a deficient number, since it is larger than the sum of its proper divisors (1).
5519 is an equidigital number, since it uses as much as digits as its factorization.
5519 is an evil number, because the sum of its binary digits is even.
The product of its digits is 225, while the sum is 20.
The square root of 5519 is about 74.2899724054.
The cubic root of 5519 is about 17.6720445635.
The spelling of 5519 in words is "five thousand, five hundred nineteen".