204052091 has 8 divisors (see below), whose sum is σ = 211572000. Its totient is φ = 196564480.

The previous prime is 204052087. The next prime is 204052109. The reversal of 204052091 is 190250402.

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 204052091 - 2² = 204052087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204052061) 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, 5186 + ... + 20856.

It is an arithmetic number, because the mean of its divisors is an integer number (26446500).

Almost surely, 2^204052091 is an apocalyptic number.

204052091 is a deficient number, since it is larger than the sum of its proper divisors (7519909).

204052091 is a wasteful number, since it uses less digits than its factorization.

204052091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16149.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 204052091 is about 14284.6802904370. The cubic root of 204052091 is about 588.7266332235.

The spelling of 204052091 in words is "two hundred four million, fifty-two thousand, ninety-one".