512530211 has 4 divisors (see below), whose sum is σ = 512685624. Its totient is φ = 512374800.

The previous prime is 512530199. The next prime is 512530219. The reversal of 512530211 is 112035215.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 512530211 - 2⁶ = 512530147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512530219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72650 + ... + 79391.

It is an arithmetic number, because the mean of its divisors is an integer number (128171406).

Almost surely, 2^512530211 is an apocalyptic number.

512530211 is a deficient number, since it is larger than the sum of its proper divisors (155413).

512530211 is a wasteful number, since it uses less digits than its factorization.

512530211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155412.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 512530211 is about 22639.1300848774. The cubic root of 512530211 is about 800.2760562927.

Adding to 512530211 its reverse (112035215), we get a palindrome (624565426).

The spelling of 512530211 in words is "five hundred twelve million, five hundred thirty thousand, two hundred eleven".