512412231 has 4 divisors (see below), whose sum is σ = 683216312. Its totient is φ = 341608152.

The previous prime is 512412157. The next prime is 512412269. The reversal of 512412231 is 132214215.

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

It is not a de Polignac number, because 512412231 - 2²¹ = 510315079 is a prime.

It is a super-2 number, since 2×512412231² = 525132588956794722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512412198 and 512412207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512412731) 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, 85402036 + ... + 85402041.

It is an arithmetic number, because the mean of its divisors is an integer number (170804078).

Almost surely, 2^512412231 is an apocalyptic number.

512412231 is a deficient number, since it is larger than the sum of its proper divisors (170804081).

512412231 is a wasteful number, since it uses less digits than its factorization.

512412231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170804080.

The product of its digits is 480, while the sum is 21.

The square root of 512412231 is about 22636.5242694191. The cubic root of 512412231 is about 800.2146460495.

Adding to 512412231 its reverse (132214215), we get a palindrome (644626446).

The spelling of 512412231 in words is "five hundred twelve million, four hundred twelve thousand, two hundred thirty-one".