512465243 has 2 divisors, whose sum is σ = 512465244. Its totient is φ = 512465242.

The previous prime is 512465227. The next prime is 512465251. The reversal of 512465243 is 342564215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 512465243 - 2⁴ = 512465227 is a prime.

It is not a weakly prime, because it can be changed into another prime (512465143) 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, 256232621 + 256232622.

It is an arithmetic number, because the mean of its divisors is an integer number (256232622).

Almost surely, 2^512465243 is an apocalyptic number.

512465243 is a deficient number, since it is larger than the sum of its proper divisors (1).

512465243 is an equidigital number, since it uses as much as digits as its factorization.

512465243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 32.

The square root of 512465243 is about 22637.6951786175. The cubic root of 512465243 is about 800.2422407044.

The spelling of 512465243 in words is "five hundred twelve million, four hundred sixty-five thousand, two hundred forty-three".