204504201301 has 2 divisors, whose sum is σ = 204504201302. Its totient is φ = 204504201300.

The previous prime is 204504201271. The next prime is 204504201311. The reversal of 204504201301 is 103102405402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118147563076 + 86356638225 = 343726^2 + 293865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204504201301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204504201311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102252100650 + 102252100651.

It is an arithmetic number, because the mean of its divisors is an integer number (102252100651).

Almost surely, 2^204504201301 is an apocalyptic number.

It is an amenable number.

204504201301 is a deficient number, since it is larger than the sum of its proper divisors (1).

204504201301 is an equidigital number, since it uses as much as digits as its factorization.

204504201301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 204504201301 its reverse (103102405402), we get a palindrome (307606606703).

The spelling of 204504201301 in words is "two hundred four billion, five hundred four million, two hundred one thousand, three hundred one".