531824 has 20 divisors (see below), whose sum is σ = 1055736. Its totient is φ = 259392.

The previous prime is 531823. The next prime is 531827. The reversal of 531824 is 428135.

It is a self number, because there is not a number n which added to its sum of digits gives 531824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531821) 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, 302 + ... + 1074.

2⁵³¹⁸²⁴ is an apocalyptic number.

It is an amenable number.

531824 is a deficient number, since it is larger than the sum of its proper divisors (523912).

531824 is a wasteful number, since it uses less digits than its factorization.

531824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824 (or 818 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 531824 is about 729.2626413028. The cubic root of 531824 is about 81.0194537433.

Adding to 531824 its reverse (428135), we get a palindrome (959959).

The spelling of 531824 in words is "five hundred thirty-one thousand, eight hundred twenty-four".