5040009 has 32 divisors (see below), whose sum is σ = 8184960. Its totient is φ = 3046464.

The previous prime is 5039999. The next prime is 5040031. The reversal of 5040009 is 9000405.

5040009 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5040009 - 2⁵ = 5039977 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5039973 and 5040000.

It is not an unprimeable number, because it can be changed into a prime (5041009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29047 + ... + 29219.

It is an arithmetic number, because the mean of its divisors is an integer number (255780).

Almost surely, 2^5040009 is an apocalyptic number.

It is an amenable number.

5040009 is a deficient number, since it is larger than the sum of its proper divisors (3144951).

5040009 is a wasteful number, since it uses less digits than its factorization.

5040009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 5040009 is about 2244.9964365228. The cubic root of 5040009 is about 171.4524797012.

The spelling of 5040009 in words is "five million, forty thousand, nine".