204234253 has 4 divisors (see below), whose sum is σ = 204372000. Its totient is φ = 204096508.

The previous prime is 204234193. The next prime is 204234299. The reversal of 204234253 is 352432402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204234253 - 2²¹ = 202137101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204234353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66625 + ... + 69622.

It is an arithmetic number, because the mean of its divisors is an integer number (51093000).

Almost surely, 2^204234253 is an apocalyptic number.

It is an amenable number.

204234253 is a deficient number, since it is larger than the sum of its proper divisors (137747).

204234253 is a wasteful number, since it uses less digits than its factorization.

204234253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137746.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 204234253 is about 14291.0549995443. The cubic root of 204234253 is about 588.9017710577.

Adding to 204234253 its reverse (352432402), we get a palindrome (556666655).

The spelling of 204234253 in words is "two hundred four million, two hundred thirty-four thousand, two hundred fifty-three".