204730253 has 8 divisors (see below), whose sum is σ = 251975808. Its totient is φ = 161984304.

The previous prime is 204730247. The next prime is 204730259. The reversal of 204730253 is 352037402.

It is an interprime number because it is at equal distance from previous prime (204730247) and next prime (204730259).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204730253 - 2¹⁰ = 204729229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204730259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1124801 + ... + 1124982.

It is an arithmetic number, because the mean of its divisors is an integer number (31496976).

Almost surely, 2^204730253 is an apocalyptic number.

It is an amenable number.

204730253 is a deficient number, since it is larger than the sum of its proper divisors (47245555).

204730253 is a wasteful number, since it uses less digits than its factorization.

204730253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249803.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 204730253 is about 14308.3979885940. The cubic root of 204730253 is about 589.3781180847.

Adding to 204730253 its reverse (352037402), we get a palindrome (556767655).

The spelling of 204730253 in words is "two hundred four million, seven hundred thirty thousand, two hundred fifty-three".