204115201 has 2 divisors, whose sum is σ = 204115202. Its totient is φ = 204115200.

The previous prime is 204115189. The next prime is 204115207. The reversal of 204115201 is 102511402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112338801 + 91776400 = 10599^2 + 9580^2 .

It is a cyclic number.

It is not a de Polignac number, because 204115201 - 2⁵ = 204115169 is a prime.

It is not a weakly prime, because it can be changed into another prime (204115207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102057600 + 102057601.

It is an arithmetic number, because the mean of its divisors is an integer number (102057601).

Almost surely, 2^204115201 is an apocalyptic number.

It is an amenable number.

204115201 is a deficient number, since it is larger than the sum of its proper divisors (1).

204115201 is an equidigital number, since it uses as much as digits as its factorization.

204115201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 204115201 is about 14286.8891295481. The cubic root of 204115201 is about 588.7873214982.

Adding to 204115201 its reverse (102511402), we get a palindrome (306626603).

The spelling of 204115201 in words is "two hundred four million, one hundred fifteen thousand, two hundred one".