530863 has 4 divisors (see below), whose sum is σ = 553968. Its totient is φ = 507760.

The previous prime is 530861. The next prime is 530869. The reversal of 530863 is 368035.

530863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368035 = 5 ⋅73607.

It is a cyclic number.

It is not a de Polignac number, because 530863 - 2¹ = 530861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530861) 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, 11518 + ... + 11563.

It is an arithmetic number, because the mean of its divisors is an integer number (138492).

2⁵³⁰⁸⁶³ is an apocalyptic number.

530863 is a deficient number, since it is larger than the sum of its proper divisors (23105).

530863 is a wasteful number, since it uses less digits than its factorization.

530863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23104.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 530863 is about 728.6034586797. The cubic root of 530863 is about 80.9706239053.

Adding to 530863 its reverse (368035), we get a palindrome (898898).

The spelling of 530863 in words is "five hundred thirty thousand, eight hundred sixty-three".