512393213 has 2 divisors, whose sum is σ = 512393214. Its totient is φ = 512393212.

The previous prime is 512393179. The next prime is 512393221. The reversal of 512393213 is 312393215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337016164 + 175377049 = 18358^2 + 13243^2 .

It is a cyclic number.

It is not a de Polignac number, because 512393213 - 2¹⁴ = 512376829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512393813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256196606 + 256196607.

It is an arithmetic number, because the mean of its divisors is an integer number (256196607).

Almost surely, 2^512393213 is an apocalyptic number.

It is an amenable number.

512393213 is a deficient number, since it is larger than the sum of its proper divisors (1).

512393213 is an equidigital number, since it uses as much as digits as its factorization.

512393213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 29.

The square root of 512393213 is about 22636.1041921970. The cubic root of 512393213 is about 800.2047460319.

The spelling of 512393213 in words is "five hundred twelve million, three hundred ninety-three thousand, two hundred thirteen".