5001009 has 32 divisors (see below), whose sum is σ = 8023680. Its totient is φ = 2737152.

The previous prime is 5001001. The next prime is 5001019. The reversal of 5001009 is 9001005.

It is not a de Polignac number, because 5001009 - 2³ = 5001001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5001001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12399 + ... + 12795.

It is an arithmetic number, because the mean of its divisors is an integer number (250740).

Almost surely, 2^5001009 is an apocalyptic number.

It is an amenable number.

5001009 is a deficient number, since it is larger than the sum of its proper divisors (3022671).

5001009 is a wasteful number, since it uses less digits than its factorization.

5001009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 5001009 is about 2236.2935853774. The cubic root of 5001009 is about 171.0090963322.

The spelling of 5001009 in words is "five million, one thousand, nine".