204244653 has 8 divisors (see below), whose sum is σ = 276790816. Its totient is φ = 133930800.

The previous prime is 204244643. The next prime is 204244679. The reversal of 204244653 is 356442402.

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

It is a de Polignac number, because none of the positive numbers 2^k-204244653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204244653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204244603) 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 7 ways as a sum of consecutive naturals, for example, 557863 + ... + 558228.

It is an arithmetic number, because the mean of its divisors is an integer number (34598852).

Almost surely, 2^204244653 is an apocalyptic number.

It is an amenable number.

204244653 is a deficient number, since it is larger than the sum of its proper divisors (72546163).

204244653 is a wasteful number, since it uses less digits than its factorization.

204244653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116155.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 204244653 is about 14291.4188588817. The cubic root of 204244653 is about 588.9117668907.

The spelling of 204244653 in words is "two hundred four million, two hundred forty-four thousand, six hundred fifty-three".