512125213 has 2 divisors, whose sum is σ = 512125214. Its totient is φ = 512125212.

The previous prime is 512125139. The next prime is 512125249. The reversal of 512125213 is 312521215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 506565049 + 5560164 = 22507^2 + 2358^2 .

It is a cyclic number.

It is not a de Polignac number, because 512125213 - 2¹⁷ = 511994141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512125253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256062606 + 256062607.

It is an arithmetic number, because the mean of its divisors is an integer number (256062607).

Almost surely, 2^512125213 is an apocalyptic number.

It is an amenable number.

512125213 is a deficient number, since it is larger than the sum of its proper divisors (1).

512125213 is an equidigital number, since it uses as much as digits as its factorization.

512125213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 22.

The square root of 512125213 is about 22630.1836713713. The cubic root of 512125213 is about 800.0652097886.

Adding to 512125213 its reverse (312521215), we get a palindrome (824646428).

The spelling of 512125213 in words is "five hundred twelve million, one hundred twenty-five thousand, two hundred thirteen".