512727979 has 2 divisors, whose sum is σ = 512727980. Its totient is φ = 512727978.

The previous prime is 512727961. The next prime is 512728039. The reversal of 512727979 is 979727215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 512727979 - 2⁵ = 512727947 is a prime.

It is not a weakly prime, because it can be changed into another prime (512727949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256363989 + 256363990.

It is an arithmetic number, because the mean of its divisors is an integer number (256363990).

Almost surely, 2^512727979 is an apocalyptic number.

512727979 is a deficient number, since it is larger than the sum of its proper divisors (1).

512727979 is an equidigital number, since it uses as much as digits as its factorization.

512727979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 555660, while the sum is 49.

The square root of 512727979 is about 22643.4974992822. The cubic root of 512727979 is about 800.3789761721.

The spelling of 512727979 in words is "five hundred twelve million, seven hundred twenty-seven thousand, nine hundred seventy-nine".