204210641 has 2 divisors, whose sum is σ = 204210642. Its totient is φ = 204210640.

The previous prime is 204210577. The next prime is 204210649. The reversal of 204210641 is 146012402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203347600 + 863041 = 14260^2 + 929^2 .

It is a cyclic number.

It is not a de Polignac number, because 204210641 - 2⁶ = 204210577 is a prime.

It is not a weakly prime, because it can be changed into another prime (204210649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102105320 + 102105321.

It is an arithmetic number, because the mean of its divisors is an integer number (102105321).

Almost surely, 2^204210641 is an apocalyptic number.

It is an amenable number.

204210641 is a deficient number, since it is larger than the sum of its proper divisors (1).

204210641 is an equidigital number, since it uses as much as digits as its factorization.

204210641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 204210641 is about 14290.2288645074. The cubic root of 204210641 is about 588.8790754123.

The spelling of 204210641 in words is "two hundred four million, two hundred ten thousand, six hundred forty-one".