204300197 has 2 divisors, whose sum is σ = 204300198. Its totient is φ = 204300196.

The previous prime is 204300193. The next prime is 204300221. The reversal of 204300197 is 791003402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167987521 + 36312676 = 12961^2 + 6026^2 .

It is a cyclic number.

It is not a de Polignac number, because 204300197 - 2² = 204300193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204300193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102150098 + 102150099.

It is an arithmetic number, because the mean of its divisors is an integer number (102150099).

Almost surely, 2^204300197 is an apocalyptic number.

It is an amenable number.

204300197 is a deficient number, since it is larger than the sum of its proper divisors (1).

204300197 is an equidigital number, since it uses as much as digits as its factorization.

204300197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 204300197 is about 14293.3619907984. The cubic root of 204300197 is about 588.9651465834.

Adding to 204300197 its reverse (791003402), we get a palindrome (995303599).

The spelling of 204300197 in words is "two hundred four million, three hundred thousand, one hundred ninety-seven".