209053 has 6 divisors (see below), whose sum is σ = 226554. Its totient is φ = 192816.

The previous prime is 209039. The next prime is 209063. The reversal of 209053 is 350902.

209053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3844 + 205209 = 62^2 + 453^2 .

It is not a de Polignac number, because 209053 - 2⁵ = 209021 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 209053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 450 + ... + 787.

It is an arithmetic number, because the mean of its divisors is an integer number (37759).

2²⁰⁹⁰⁵³ is an apocalyptic number.

It is an amenable number.

209053 is a deficient number, since it is larger than the sum of its proper divisors (17501).

209053 is a wasteful number, since it uses less digits than its factorization.

209053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263 (or 1250 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 209053 is about 457.2231402718. The cubic root of 209053 is about 59.3497373600.

Adding to 209053 its reverse (350902), we get a palindrome (559955).

The spelling of 209053 in words is "two hundred nine thousand, fifty-three".