530812 has 12 divisors (see below), whose sum is σ = 936936. Its totient is φ = 263120.

The previous prime is 530807. The next prime is 530833. The reversal of 530812 is 218035.

It is a happy number.

It is a super-2 number, since 2×530812² = 563522758688, which contains 22 as substring.

It is an Ulam number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 530812.

It is a congruent number.

It is an unprimeable number.

530812 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18 + ... + 1030.

It is an arithmetic number, because the mean of its divisors is an integer number (78078).

2⁵³⁰⁸¹² is an apocalyptic number.

It is an amenable number.

530812 is a deficient number, since it is larger than the sum of its proper divisors (406124).

530812 is a wasteful number, since it uses less digits than its factorization.

530812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1146 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 530812 is about 728.5684593777. The cubic root of 530812 is about 80.9680308734.

Adding to 530812 its reverse (218035), we get a palindrome (748847).

The spelling of 530812 in words is "five hundred thirty thousand, eight hundred twelve".