512233 has 4 divisors (see below), whose sum is σ = 534528. Its totient is φ = 489940.

The previous prime is 512207. The next prime is 512249. The reversal of 512233 is 332215.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512233 is a prime.

It is a Duffinian number.

512233 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (512333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11113 + ... + 11158.

It is an arithmetic number, because the mean of its divisors is an integer number (133632).

2⁵¹²²³³ is an apocalyptic number.

It is an amenable number.

512233 is a deficient number, since it is larger than the sum of its proper divisors (22295).

512233 is a wasteful number, since it uses less digits than its factorization.

512233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22294.

The product of its digits is 180, while the sum is 16.

The square root of 512233 is about 715.7045479805. The cubic root of 512233 is about 80.0121335763.

Adding to 512233 its reverse (332215), we get a palindrome (844448).

The spelling of 512233 in words is "five hundred twelve thousand, two hundred thirty-three".