204335413 has 2 divisors, whose sum is σ = 204335414. Its totient is φ = 204335412.

The previous prime is 204335387. The next prime is 204335419. The reversal of 204335413 is 314533402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182601169 + 21734244 = 13513^2 + 4662^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204335413 is a prime.

It is a super-2 number, since 2×204335413² = 83505922011761138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204335419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102167706 + 102167707.

It is an arithmetic number, because the mean of its divisors is an integer number (102167707).

Almost surely, 2^204335413 is an apocalyptic number.

It is an amenable number.

204335413 is a deficient number, since it is larger than the sum of its proper divisors (1).

204335413 is an equidigital number, since it uses as much as digits as its factorization.

204335413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 204335413 is about 14294.5938382313. The cubic root of 204335413 is about 588.9989853580.

Adding to 204335413 its reverse (314533402), we get a palindrome (518868815).

The spelling of 204335413 in words is "two hundred four million, three hundred thirty-five thousand, four hundred thirteen".