204516302057 has 2 divisors, whose sum is σ = 204516302058. Its totient is φ = 204516302056.

The previous prime is 204516302009. The next prime is 204516302099. The reversal of 204516302057 is 750203615402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111029570521 + 93486731536 = 333211^2 + 305756^2 .

It is a cyclic number.

It is not a de Polignac number, because 204516302057 - 2⁶ = 204516301993 is a prime.

It is not a weakly prime, because it can be changed into another prime (204516302357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102258151028 + 102258151029.

It is an arithmetic number, because the mean of its divisors is an integer number (102258151029).

Almost surely, 2^204516302057 is an apocalyptic number.

It is an amenable number.

204516302057 is a deficient number, since it is larger than the sum of its proper divisors (1).

204516302057 is an equidigital number, since it uses as much as digits as its factorization.

204516302057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

Adding to 204516302057 its reverse (750203615402), we get a palindrome (954719917459).

The spelling of 204516302057 in words is "two hundred four billion, five hundred sixteen million, three hundred two thousand, fifty-seven".