205204051 has 4 divisors (see below), whose sum is σ = 220988992. Its totient is φ = 189419112.

The previous prime is 205204037. The next prime is 205204073. The reversal of 205204051 is 150402502.

205204051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 205204051 - 2¹⁷ = 205072979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205204031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7892451 + ... + 7892476.

It is an arithmetic number, because the mean of its divisors is an integer number (55247248).

Almost surely, 2^205204051 is an apocalyptic number.

205204051 is a deficient number, since it is larger than the sum of its proper divisors (15784941).

205204051 is a wasteful number, since it uses less digits than its factorization.

205204051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15784940.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 205204051 is about 14324.9450609767. The cubic root of 205204051 is about 589.8324248785.

Adding to 205204051 its reverse (150402502), we get a palindrome (355606553).

The spelling of 205204051 in words is "two hundred five million, two hundred four thousand, fifty-one".