5128559 has 4 divisors (see below), whose sum is σ = 5175720. Its totient is φ = 5081400.

The previous prime is 5128553. The next prime is 5128573. The reversal of 5128559 is 9558215.

5128559 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5128559 - 2⁸ = 5128303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5128553) 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, 23417 + ... + 23634.

It is an arithmetic number, because the mean of its divisors is an integer number (1293930).

Almost surely, 2^5128559 is an apocalyptic number.

5128559 is a deficient number, since it is larger than the sum of its proper divisors (47161).

5128559 is a wasteful number, since it uses less digits than its factorization.

5128559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47160.

The product of its digits is 18000, while the sum is 35.

The square root of 5128559 is about 2264.6321997181. The cubic root of 5128559 is about 172.4507623947.

The spelling of 5128559 in words is "five million, one hundred twenty-eight thousand, five hundred fifty-nine".