205045201 has 4 divisors (see below), whose sum is σ = 205228912. Its totient is φ = 204861492.

The previous prime is 205045189. The next prime is 205045219. The reversal of 205045201 is 102540502.

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 a cyclic number.

It is not a de Polignac number, because 205045201 - 2⁷ = 205045073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205045271) 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, 90171 + ... + 92416.

It is an arithmetic number, because the mean of its divisors is an integer number (51307228).

Almost surely, 2^205045201 is an apocalyptic number.

It is an amenable number.

205045201 is a deficient number, since it is larger than the sum of its proper divisors (183711).

205045201 is a wasteful number, since it uses less digits than its factorization.

205045201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183710.

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

The square root of 205045201 is about 14319.3994636647. The cubic root of 205045201 is about 589.6801876829.

Adding to 205045201 its reverse (102540502), we get a palindrome (307585703).

The spelling of 205045201 in words is "two hundred five million, forty-five thousand, two hundred one".