530256 has 20 divisors (see below), whose sum is σ = 1369952. Its totient is φ = 176736.

The previous prime is 530251. The next prime is 530261. The reversal of 530256 is 652035.

It is an interprime number because it is at equal distance from previous prime (530251) and next prime (530261).

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5476 + ... + 5571.

2⁵³⁰²⁵⁶ is an apocalyptic number.

It is an amenable number.

530256 is an abundant number, since it is smaller than the sum of its proper divisors (839696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

530256 is a wasteful number, since it uses less digits than its factorization.

530256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11058 (or 11052 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 530256 is about 728.1867892238. The cubic root of 530256 is about 80.9397509598.

The spelling of 530256 in words is "five hundred thirty thousand, two hundred fifty-six".