512204393 has 2 divisors, whose sum is σ = 512204394. Its totient is φ = 512204392.

The previous prime is 512204369. The next prime is 512204419. The reversal of 512204393 is 393402215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 329495104 + 182709289 = 18152^2 + 13517^2 .

It is a cyclic number.

It is not a de Polignac number, because 512204393 - 2¹⁴ = 512188009 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (512204323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256102196 + 256102197.

It is an arithmetic number, because the mean of its divisors is an integer number (256102197).

Almost surely, 2^512204393 is an apocalyptic number.

It is an amenable number.

512204393 is a deficient number, since it is larger than the sum of its proper divisors (1).

512204393 is an equidigital number, since it uses as much as digits as its factorization.

512204393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 512204393 is about 22631.9330371933. The cubic root of 512204393 is about 800.1064405249.

The spelling of 512204393 in words is "five hundred twelve million, two hundred four thousand, three hundred ninety-three".