5204009 has 2 divisors, whose sum is σ = 5204010. Its totient is φ = 5204008.

The previous prime is 5203997. The next prime is 5204011. The reversal of 5204009 is 9004025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5161984 + 42025 = 2272^2 + 205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5204009 is a prime.

It is a Sophie Germain prime.

Together with 5204011, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5204039) 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 as a sum of consecutive naturals, namely, 2602004 + 2602005.

It is an arithmetic number, because the mean of its divisors is an integer number (2602005).

Almost surely, 2^5204009 is an apocalyptic number.

It is an amenable number.

5204009 is a deficient number, since it is larger than the sum of its proper divisors (1).

5204009 is an equidigital number, since it uses as much as digits as its factorization.

5204009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 5204009 is about 2281.2297122386. The cubic root of 5204009 is about 173.2923321003.

The spelling of 5204009 in words is "five million, two hundred four thousand, nine".