204563413 has 2 divisors, whose sum is σ = 204563414. Its totient is φ = 204563412.

The previous prime is 204563407. The next prime is 204563423. The reversal of 204563413 is 314365402.

204563413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115412049 + 89151364 = 10743^2 + 9442^2 .

It is a cyclic number.

It is not a de Polignac number, because 204563413 - 2⁹ = 204562901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204563423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102281706 + 102281707.

It is an arithmetic number, because the mean of its divisors is an integer number (102281707).

Almost surely, 2^204563413 is an apocalyptic number.

It is an amenable number.

204563413 is a deficient number, since it is larger than the sum of its proper divisors (1).

204563413 is an equidigital number, since it uses as much as digits as its factorization.

204563413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 204563413 is about 14302.5666577716. The cubic root of 204563413 is about 589.2179747303.

The spelling of 204563413 in words is "two hundred four million, five hundred sixty-three thousand, four hundred thirteen".