5200009 has 4 divisors (see below), whose sum is σ = 5271316. Its totient is φ = 5128704.

The previous prime is 5200007. The next prime is 5200021. The reversal of 5200009 is 9000025.

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 3385600 + 1814409 = 1840^2 + 1347^2 .

It is a cyclic number.

It is not a de Polignac number, because 5200009 - 2¹ = 5200007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5199965 and 5200001.

It is not an unprimeable number, because it can be changed into a prime (5200007) 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 3 ways as a sum of consecutive naturals, for example, 35544 + ... + 35689.

It is an arithmetic number, because the mean of its divisors is an integer number (1317829).

Almost surely, 2^5200009 is an apocalyptic number.

It is an amenable number.

5200009 is a deficient number, since it is larger than the sum of its proper divisors (71307).

5200009 is an equidigital number, since it uses as much as digits as its factorization.

5200009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71306.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 5200009 is about 2280.3528235780. The cubic root of 5200009 is about 173.2479210188.

Adding to 5200009 its sum of digits (16), we get a palindrome (5200025).

The spelling of 5200009 in words is "five million, two hundred thousand, nine".