2063209 has 4 divisors (see below), whose sum is σ = 2068804. Its totient is φ = 2057616.

The previous prime is 2063179. The next prime is 2063213. The reversal of 2063209 is 9023602.

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 1166400 + 896809 = 1080^2 + 947^2 .

It is a cyclic number.

It is not a de Polignac number, because 2063209 - 2¹¹ = 2061161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2063209.

It is not an unprimeable number, because it can be changed into a prime (2063249) 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, 2202 + ... + 2995.

It is an arithmetic number, because the mean of its divisors is an integer number (517201).

2^2063209 is an apocalyptic number.

It is an amenable number.

2063209 is a deficient number, since it is larger than the sum of its proper divisors (5595).

2063209 is an equidigital number, since it uses as much as digits as its factorization.

2063209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5594.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 2063209 is about 1436.3874825408. The cubic root of 2063209 is about 127.3056683287.

The spelling of 2063209 in words is "two million, sixty-three thousand, two hundred nine".