204952089 has 4 divisors (see below), whose sum is σ = 273269456. Its totient is φ = 136634724.

The previous prime is 204952081. The next prime is 204952117. The reversal of 204952089 is 980259402.

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 not a de Polignac number, because 204952089 - 2³ = 204952081 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204952081) 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, 34158679 + ... + 34158684.

It is an arithmetic number, because the mean of its divisors is an integer number (68317364).

Almost surely, 2^204952089 is an apocalyptic number.

It is an amenable number.

204952089 is a deficient number, since it is larger than the sum of its proper divisors (68317367).

204952089 is an equidigital number, since it uses as much as digits as its factorization.

204952089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68317366.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 204952089 is about 14316.1478408125. The cubic root of 204952089 is about 589.5909153102.

The spelling of 204952089 in words is "two hundred four million, nine hundred fifty-two thousand, eighty-nine".