204325393 has 2 divisors, whose sum is σ = 204325394. Its totient is φ = 204325392.

The previous prime is 204325369. The next prime is 204325409. The reversal of 204325393 is 393523402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195664144 + 8661249 = 13988^2 + 2943^2 .

It is a cyclic number.

It is not a de Polignac number, because 204325393 - 2⁵ = 204325361 is a prime.

It is not a weakly prime, because it can be changed into another prime (204325313) 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, 102162696 + 102162697.

It is an arithmetic number, because the mean of its divisors is an integer number (102162697).

Almost surely, 2^204325393 is an apocalyptic number.

It is an amenable number.

204325393 is a deficient number, since it is larger than the sum of its proper divisors (1).

204325393 is an equidigital number, since it uses as much as digits as its factorization.

204325393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 204325393 is about 14294.2433517833. The cubic root of 204325393 is about 588.9893576154.

Adding to 204325393 its reverse (393523402), we get a palindrome (597848795).

The spelling of 204325393 in words is "two hundred four million, three hundred twenty-five thousand, three hundred ninety-three".