204545041 has 2 divisors, whose sum is σ = 204545042. Its totient is φ = 204545040.

The previous prime is 204545009. The next prime is 204545059. The reversal of 204545041 is 140545402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203661441 + 883600 = 14271^2 + 940^2 .

It is a cyclic number.

It is not a de Polignac number, because 204545041 - 2⁵ = 204545009 is a prime.

It is equal to p_11316634 and since 204545041 and 11316634 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 204544997 and 204545015.

It is not a weakly prime, because it can be changed into another prime (204545641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102272520 + 102272521.

It is an arithmetic number, because the mean of its divisors is an integer number (102272521).

Almost surely, 2^204545041 is an apocalyptic number.

It is an amenable number.

204545041 is a deficient number, since it is larger than the sum of its proper divisors (1).

204545041 is an equidigital number, since it uses as much as digits as its factorization.

204545041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 204545041 is about 14301.9243810055. The cubic root of 204545041 is about 589.2003348266.

The spelling of 204545041 in words is "two hundred four million, five hundred forty-five thousand, forty-one".