204545063 has 2 divisors, whose sum is σ = 204545064. Its totient is φ = 204545062.

The previous prime is 204545059. The next prime is 204545129. The reversal of 204545063 is 360545402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204545063 - 2² = 204545059 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204545863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102272531 + 102272532.

It is an arithmetic number, because the mean of its divisors is an integer number (102272532).

Almost surely, 2^204545063 is an apocalyptic number.

204545063 is a deficient number, since it is larger than the sum of its proper divisors (1).

204545063 is an equidigital number, since it uses as much as digits as its factorization.

204545063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 204545063 is about 14301.9251501328. The cubic root of 204545063 is about 589.2003559505.

The spelling of 204545063 in words is "two hundred four million, five hundred forty-five thousand, sixty-three".