204021241 has 2 divisors, whose sum is σ = 204021242. Its totient is φ = 204021240.

The previous prime is 204021229. The next prime is 204021253. The reversal of 204021241 is 142120402.

It is a balanced prime because it is at equal distance from previous prime (204021229) and next prime (204021253).

It can be written as a sum of positive squares in only one way, i.e., 153041641 + 50979600 = 12371^2 + 7140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204021241 is a prime.

It is not a weakly prime, because it can be changed into another prime (204021211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102010620 + 102010621.

It is an arithmetic number, because the mean of its divisors is an integer number (102010621).

Almost surely, 2^204021241 is an apocalyptic number.

It is an amenable number.

204021241 is a deficient number, since it is larger than the sum of its proper divisors (1).

204021241 is an equidigital number, since it uses as much as digits as its factorization.

204021241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 204021241 is about 14283.6004214624. The cubic root of 204021241 is about 588.6969624796.

Adding to 204021241 its reverse (142120402), we get a palindrome (346141643).

The spelling of 204021241 in words is "two hundred four million, twenty-one thousand, two hundred forty-one".