5004509 has 4 divisors (see below), whose sum is σ = 5139804. Its totient is φ = 4869216.

The previous prime is 5004491. The next prime is 5004539. The reversal of 5004509 is 9054005.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3912484 + 1092025 = 1978^2 + 1045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5004509 is a prime.

It is a super-2 number, since 2×5004509² = 50090220662162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5004539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67592 + ... + 67665.

It is an arithmetic number, because the mean of its divisors is an integer number (1284951).

Almost surely, 2^5004509 is an apocalyptic number.

It is an amenable number.

5004509 is a deficient number, since it is larger than the sum of its proper divisors (135295).

5004509 is a wasteful number, since it uses less digits than its factorization.

5004509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135294.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 5004509 is about 2237.0759933449. The cubic root of 5004509 is about 171.0489811010.

The spelling of 5004509 in words is "five million, four thousand, five hundred nine".