512989193 has 2 divisors, whose sum is σ = 512989194. Its totient is φ = 512989192.

The previous prime is 512989163. The next prime is 512989241. The reversal of 512989193 is 391989215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 386043904 + 126945289 = 19648^2 + 11267^2 .

It is a cyclic number.

It is not a de Polignac number, because 512989193 - 2¹⁰ = 512988169 is a prime.

It is not a weakly prime, because it can be changed into another prime (512989123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256494596 + 256494597.

It is an arithmetic number, because the mean of its divisors is an integer number (256494597).

Almost surely, 2^512989193 is an apocalyptic number.

It is an amenable number.

512989193 is a deficient number, since it is larger than the sum of its proper divisors (1).

512989193 is an equidigital number, since it uses as much as digits as its factorization.

512989193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 47.

The square root of 512989193 is about 22649.2647342027. The cubic root of 512989193 is about 800.5148732483.

The spelling of 512989193 in words is "five hundred twelve million, nine hundred eighty-nine thousand, one hundred ninety-three".