204427313 has 2 divisors, whose sum is σ = 204427314. Its totient is φ = 204427312.

The previous prime is 204427303. The next prime is 204427367. The reversal of 204427313 is 313724402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204404209 + 23104 = 14297^2 + 152^2 .

It is a cyclic number.

It is not a de Polignac number, because 204427313 - 2¹² = 204423217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (204427303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102213656 + 102213657.

It is an arithmetic number, because the mean of its divisors is an integer number (102213657).

Almost surely, 2^204427313 is an apocalyptic number.

It is an amenable number.

204427313 is a deficient number, since it is larger than the sum of its proper divisors (1).

204427313 is an equidigital number, since it uses as much as digits as its factorization.

204427313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 204427313 is about 14297.8079788477. The cubic root of 204427313 is about 589.0872730303.

The spelling of 204427313 in words is "two hundred four million, four hundred twenty-seven thousand, three hundred thirteen".