5000009 has 12 divisors (see below), whose sum is σ = 5907024. Its totient is φ = 4218984.

The previous prime is 4999999. The next prime is 5000011. The reversal of 5000009 is 9000005.

It is a de Polignac number, because none of the positive numbers 2^k-5000009 is a prime.

It is a Duffinian number.

5000009 is a modest number, since divided by 9 gives 5 as remainder.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4999957 and 5000002.

It is not an unprimeable number, because it can be changed into a prime (5008009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2522 + ... + 4044.

It is an arithmetic number, because the mean of its divisors is an integer number (492252).

Almost surely, 2^5000009 is an apocalyptic number.

It is an amenable number.

5000009 is a deficient number, since it is larger than the sum of its proper divisors (907015).

5000009 is a wasteful number, since it uses less digits than its factorization.

5000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604 (or 1597 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 5000009 is about 2236.0699899601. The cubic root of 5000009 is about 170.9976972662.

The spelling of 5000009 in words is "five million, nine", and thus it is an aban number and an uban number.