5206209 has 16 divisors (see below), whose sum is σ = 7368000. Its totient is φ = 3260736.

The previous prime is 5206207. The next prime is 5206213. The reversal of 5206209 is 9026025.

It is not a de Polignac number, because 5206209 - 2¹ = 5206207 is a prime.

It is a super-3 number, since 3×5206209³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5206207) 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 15 ways as a sum of consecutive naturals, for example, 8187 + ... + 8799.

It is an arithmetic number, because the mean of its divisors is an integer number (460500).

Almost surely, 2^5206209 is an apocalyptic number.

It is an amenable number.

5206209 is a deficient number, since it is larger than the sum of its proper divisors (2161791).

5206209 is a wasteful number, since it uses less digits than its factorization.

5206209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 5206209 is about 2281.7118573562. The cubic root of 5206209 is about 173.3167484954.

The spelling of 5206209 in words is "five million, two hundred six thousand, two hundred nine".