530523 has 24 divisors (see below), whose sum is σ = 916560. Its totient is φ = 302400.

The previous prime is 530513. The next prime is 530527. The reversal of 530523 is 325035.

It is not a de Polignac number, because 530523 - 2⁴ = 530507 is a prime.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 530496 and 530505.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 530523.

It is not an unprimeable number, because it can be changed into a prime (530527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1123 + ... + 1523.

It is an arithmetic number, because the mean of its divisors is an integer number (38190).

2⁵³⁰⁵²³ is an apocalyptic number.

530523 is a deficient number, since it is larger than the sum of its proper divisors (386037).

530523 is a wasteful number, since it uses less digits than its factorization.

530523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 530523 is about 728.3700982330. The cubic root of 530523 is about 80.9533338878.

Adding to 530523 its reverse (325035), we get a palindrome (855558).

The spelling of 530523 in words is "five hundred thirty thousand, five hundred twenty-three".