5000509 has 4 divisors (see below), whose sum is σ = 5021500. Its totient is φ = 4979520.

The previous prime is 5000503. The next prime is 5000519. The reversal of 5000509 is 9050005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9050005 = 5 ⋅1810001.

It can be written as a sum of positive squares in 2 ways, for example, as 1633284 + 3367225 = 1278^2 + 1835^2 .

It is a cyclic number.

It is not a de Polignac number, because 5000509 - 2⁷ = 5000381 is a prime.

It is a Duffinian number.

5000509 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5000503) 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, 10134 + ... + 10615.

It is an arithmetic number, because the mean of its divisors is an integer number (1255375).

Almost surely, 2^5000509 is an apocalyptic number.

It is an amenable number.

5000509 is a deficient number, since it is larger than the sum of its proper divisors (20991).

5000509 is a wasteful number, since it uses less digits than its factorization.

5000509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20990.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 5000509 is about 2236.1817904634. The cubic root of 5000509 is about 171.0033969892.

The spelling of 5000509 in words is "five million, five hundred nine", and thus it is an aban number.