2053209 has 16 divisors (see below), whose sum is σ = 2930688. Its totient is φ = 1274112.

The previous prime is 2053201. The next prime is 2053211. The reversal of 2053209 is 9023502.

It is not a de Polignac number, because 2053209 - 2³ = 2053201 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053201) 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, 6319 + ... + 6635.

It is an arithmetic number, because the mean of its divisors is an integer number (183168).

2^2053209 is an apocalyptic number.

It is an amenable number.

2053209 is a deficient number, since it is larger than the sum of its proper divisors (877479).

2053209 is a wasteful number, since it uses less digits than its factorization.

2053209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 2053209 is about 1432.9022995306. The cubic root of 2053209 is about 127.0996593078.

The spelling of 2053209 in words is "two million, fifty-three thousand, two hundred nine".