204934553 has 8 divisors (see below), whose sum is σ = 210924000. Its totient is φ = 199029088.

The previous prime is 204934549. The next prime is 204934567. The reversal of 204934553 is 355439402.

204934553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 204934553 - 2² = 204934549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204934573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16028 + ... + 25821.

It is an arithmetic number, because the mean of its divisors is an integer number (26365500).

Almost surely, 2^204934553 is an apocalyptic number.

It is an amenable number.

204934553 is a deficient number, since it is larger than the sum of its proper divisors (5989447).

204934553 is an equidigital number, since it uses as much as digits as its factorization.

204934553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41991.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 204934553 is about 14315.5353724546. The cubic root of 204934553 is about 589.5740994107.

The spelling of 204934553 in words is "two hundred four million, nine hundred thirty-four thousand, five hundred fifty-three".