204288041 has 2 divisors, whose sum is σ = 204288042. Its totient is φ = 204288040.

The previous prime is 204288013. The next prime is 204288103. The reversal of 204288041 is 140882402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202777600 + 1510441 = 14240^2 + 1229^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204288041 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 204287995 and 204288013.

It is not a weakly prime, because it can be changed into another prime (204288841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102144020 + 102144021.

It is an arithmetic number, because the mean of its divisors is an integer number (102144021).

Almost surely, 2^204288041 is an apocalyptic number.

It is an amenable number.

204288041 is a deficient number, since it is larger than the sum of its proper divisors (1).

204288041 is an equidigital number, since it uses as much as digits as its factorization.

204288041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 204288041 is about 14292.9367521164. The cubic root of 204288041 is about 588.9534650767.

The spelling of 204288041 in words is "two hundred four million, two hundred eighty-eight thousand, forty-one".