5112209 has 4 divisors (see below), whose sum is σ = 5159220. Its totient is φ = 5065200.

The previous prime is 5112193. The next prime is 5112271. The reversal of 5112209 is 9022115.

5112209 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4293184 + 819025 = 2072^2 + 905^2 .

It is a cyclic number.

It is not a de Polignac number, because 5112209 - 2⁴ = 5112193 is a prime.

It is a super-2 number, since 2×5112209² = 52269361719362, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5112299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23342 + ... + 23559.

It is an arithmetic number, because the mean of its divisors is an integer number (1289805).

Almost surely, 2^5112209 is an apocalyptic number.

It is an amenable number.

5112209 is a deficient number, since it is larger than the sum of its proper divisors (47011).

5112209 is a wasteful number, since it uses less digits than its factorization.

5112209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47010.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 5112209 is about 2261.0194603320. The cubic root of 5112209 is about 172.2673079016.

The spelling of 5112209 in words is "five million, one hundred twelve thousand, two hundred nine".