530287 has 4 divisors (see below), whose sum is σ = 536760. Its totient is φ = 523816.

The previous prime is 530279. The next prime is 530293. The reversal of 530287 is 782035.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 530287 - 2³ = 530279 is a prime.

It is a Duffinian number.

530287 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530227) 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, 3112 + ... + 3277.

It is an arithmetic number, because the mean of its divisors is an integer number (134190).

2⁵³⁰²⁸⁷ is an apocalyptic number.

530287 is a deficient number, since it is larger than the sum of its proper divisors (6473).

530287 is an equidigital number, since it uses as much as digits as its factorization.

530287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6472.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 530287 is about 728.2080746600. The cubic root of 530287 is about 80.9413282378.

It can be divided in two parts, 53028 and 7, that added together give a palindrome (53035).

The spelling of 530287 in words is "five hundred thirty thousand, two hundred eighty-seven".