209241053 has 16 divisors (see below), whose sum is σ = 257579520. Its totient is φ = 165954096.

The previous prime is 209241029. The next prime is 209241079. The reversal of 209241053 is 350142902.

It is not a de Polignac number, because 209241053 - 2²⁰ = 208192477 is a prime.

It is a Duffinian 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 (209241023) 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, 12575 + ... + 24012.

It is an arithmetic number, because the mean of its divisors is an integer number (16098720).

Almost surely, 2^209241053 is an apocalyptic number.

It is an amenable number.

209241053 is a deficient number, since it is larger than the sum of its proper divisors (48338467).

209241053 is a wasteful number, since it uses less digits than its factorization.

209241053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36656.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 209241053 is about 14465.1668846232. The cubic root of 209241053 is about 593.6752798604.

Adding to 209241053 its reverse (350142902), we get a palindrome (559383955).

The spelling of 209241053 in words is "two hundred nine million, two hundred forty-one thousand, fifty-three".