204506004533 has 2 divisors, whose sum is σ = 204506004534. Its totient is φ = 204506004532.

The previous prime is 204506004523. The next prime is 204506004617. The reversal of 204506004533 is 335400605402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112589104849 + 91916899684 = 335543^2 + 303178^2 .

It is a cyclic number.

It is not a de Polignac number, because 204506004533 - 2¹⁴ = 204505988149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204506004533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204506004523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102253002266 + 102253002267.

It is an arithmetic number, because the mean of its divisors is an integer number (102253002267).

Almost surely, 2^204506004533 is an apocalyptic number.

It is an amenable number.

204506004533 is a deficient number, since it is larger than the sum of its proper divisors (1).

204506004533 is an equidigital number, since it uses as much as digits as its factorization.

204506004533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 204506004533 its reverse (335400605402), we get a palindrome (539906609935).

The spelling of 204506004533 in words is "two hundred four billion, five hundred six million, four thousand, five hundred thirty-three".