512217273 has 4 divisors (see below), whose sum is σ = 682956368. Its totient is φ = 341478180.

The previous prime is 512217229. The next prime is 512217313. The reversal of 512217273 is 372712215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 512217273 - 2²⁵ = 478662841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 512217273.

It is not an unprimeable number, because it can be changed into a prime (512217203) 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, 85369543 + ... + 85369548.

It is an arithmetic number, because the mean of its divisors is an integer number (170739092).

Almost surely, 2^512217273 is an apocalyptic number.

It is an amenable number.

512217273 is a deficient number, since it is larger than the sum of its proper divisors (170739095).

512217273 is a wasteful number, since it uses less digits than its factorization.

512217273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170739094.

The product of its digits is 5880, while the sum is 30.

The square root of 512217273 is about 22632.2175890919. The cubic root of 512217273 is about 800.1131470173.

Adding to 512217273 its reverse (372712215), we get a palindrome (884929488).

The spelling of 512217273 in words is "five hundred twelve million, two hundred seventeen thousand, two hundred seventy-three".