4559 has 4 divisors (see below), whose sum is σ = 4704. Its totient is φ = 4416.

The previous prime is 4549. The next prime is 4561. The reversal of 4559 is 9554.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4559 - 2¹² = 463 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10, base 12 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2 + ... + 95.

It is an arithmetic number, because the mean of its divisors is an integer number (1176).

2⁴⁵⁵⁹ is an apocalyptic number.

4559 is a deficient number, since it is larger than the sum of its proper divisors (145).

4559 is an equidigital number, since it uses as much as digits as its factorization.

4559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144.

The product of its digits is 900, while the sum is 23.

The square root of 4559 is about 67.5203672976. The cubic root of 4559 is about 16.5814764102.

It can be divided in two parts, 455 and 9, that multiplied together give a triangular number (4095 = T₉₀).

The spelling of 4559 in words is "four thousand, five hundred fifty-nine".