512227979 has 2 divisors, whose sum is σ = 512227980. Its totient is φ = 512227978.

The previous prime is 512227913. The next prime is 512227981. The reversal of 512227979 is 979722215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 512227979 - 2²⁴ = 495450763 is a prime.

It is a Sophie Germain prime.

Together with 512227981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (512227679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256113989 + 256113990.

It is an arithmetic number, because the mean of its divisors is an integer number (256113990).

Almost surely, 2^512227979 is an apocalyptic number.

512227979 is a deficient number, since it is larger than the sum of its proper divisors (1).

512227979 is an equidigital number, since it uses as much as digits as its factorization.

512227979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 44.

The square root of 512227979 is about 22632.4541090886. The cubic root of 512227979 is about 800.1187214432.

The spelling of 512227979 in words is "five hundred twelve million, two hundred twenty-seven thousand, nine hundred seventy-nine".