204551291 has 8 divisors (see below), whose sum is σ = 233885184. Its totient is φ = 175245480.

The previous prime is 204551279. The next prime is 204551323. The reversal of 204551291 is 192155402.

204551291 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 204551291 - 2²² = 200356987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204551261) 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, 12056 + ... + 23546.

It is an arithmetic number, because the mean of its divisors is an integer number (29235648).

Almost surely, 2^204551291 is an apocalyptic number.

204551291 is a deficient number, since it is larger than the sum of its proper divisors (29333893).

204551291 is a wasteful number, since it uses less digits than its factorization.

204551291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14041.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 204551291 is about 14302.1428814007. The cubic root of 204551291 is about 589.2063358921.

The spelling of 204551291 in words is "two hundred four million, five hundred fifty-one thousand, two hundred ninety-one".