5239209 has 16 divisors (see below), whose sum is σ = 7221312. Its totient is φ = 3377088.

The previous prime is 5239207. The next prime is 5239211. The reversal of 5239209 is 9029325.

It is an interprime number because it is at equal distance from previous prime (5239207) and next prime (5239211).

It is not a de Polignac number, because 5239209 - 2¹ = 5239207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5239207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12999 + ... + 13395.

It is an arithmetic number, because the mean of its divisors is an integer number (451332).

Almost surely, 2^5239209 is an apocalyptic number.

It is an amenable number.

5239209 is a deficient number, since it is larger than the sum of its proper divisors (1982103).

5239209 is a wasteful number, since it uses less digits than its factorization.

5239209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 5239209 is about 2288.9318469539. The cubic root of 5239209 is about 173.6821718237.

The spelling of 5239209 in words is "five million, two hundred thirty-nine thousand, two hundred nine".