512311427 has 2 divisors, whose sum is σ = 512311428. Its totient is φ = 512311426.

The previous prime is 512311381. The next prime is 512311433. The reversal of 512311427 is 724113215.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512311427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 512311396 and 512311405.

It is not a weakly prime, because it can be changed into another prime (512311027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256155713 + 256155714.

It is an arithmetic number, because the mean of its divisors is an integer number (256155714).

Almost surely, 2^512311427 is an apocalyptic number.

512311427 is a deficient number, since it is larger than the sum of its proper divisors (1).

512311427 is an equidigital number, since it uses as much as digits as its factorization.

512311427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 26.

The square root of 512311427 is about 22634.2975813256. The cubic root of 512311427 is about 800.1621686869.

The spelling of 512311427 in words is "five hundred twelve million, three hundred eleven thousand, four hundred twenty-seven".