204603197 has 2 divisors, whose sum is σ = 204603198. Its totient is φ = 204603196.

The previous prime is 204603163. The next prime is 204603199. The reversal of 204603197 is 791306402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158281561 + 46321636 = 12581^2 + 6806^2 .

It is a cyclic number.

It is not a de Polignac number, because 204603197 - 2¹⁰ = 204602173 is a prime.

Together with 204603199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204603199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102301598 + 102301599.

It is an arithmetic number, because the mean of its divisors is an integer number (102301599).

Almost surely, 2^204603197 is an apocalyptic number.

It is an amenable number.

204603197 is a deficient number, since it is larger than the sum of its proper divisors (1).

204603197 is an equidigital number, since it uses as much as digits as its factorization.

204603197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 204603197 is about 14303.9573894779. The cubic root of 204603197 is about 589.2561697787.

Adding to 204603197 its reverse (791306402), we get a palindrome (995909599).

The spelling of 204603197 in words is "two hundred four million, six hundred three thousand, one hundred ninety-seven".