204045263 has 2 divisors, whose sum is σ = 204045264. Its totient is φ = 204045262.

The previous prime is 204045211. The next prime is 204045287. The reversal of 204045263 is 362540402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204045263 - 2²⁰ = 202996687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204042263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102022631 + 102022632.

It is an arithmetic number, because the mean of its divisors is an integer number (102022632).

Almost surely, 2^204045263 is an apocalyptic number.

204045263 is a deficient number, since it is larger than the sum of its proper divisors (1).

204045263 is an equidigital number, since it uses as much as digits as its factorization.

204045263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 204045263 is about 14284.4412911391. The cubic root of 204045263 is about 588.7200664848.

Adding to 204045263 its reverse (362540402), we get a palindrome (566585665).

The spelling of 204045263 in words is "two hundred four million, forty-five thousand, two hundred sixty-three".