5183209 has 6 divisors (see below), whose sum is σ = 5276090. Its totient is φ = 5091936.

The previous prime is 5183201. The next prime is 5183221. The reversal of 5183209 is 9023815.

It can be written as a sum of positive squares in only one way, i.e., 3790809 + 1392400 = 1947^2 + 1180^2 .

It is not a de Polignac number, because 5183209 - 2³ = 5183201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5183201) 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 5 ways as a sum of consecutive naturals, for example, 2737 + ... + 4225.

Almost surely, 2^5183209 is an apocalyptic number.

5183209 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

5183209 is a deficient number, since it is larger than the sum of its proper divisors (92881).

5183209 is an equidigital number, since it uses as much as digits as its factorization.

5183209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 5183209 is about 2276.6662030258. Note that the first 3 decimals coincide. The cubic root of 5183209 is about 173.0611453702.

Subtracting 5183209 from its reverse (9023815), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 5183209 in words is "five million, one hundred eighty-three thousand, two hundred nine".