530815 has 4 divisors (see below), whose sum is σ = 636984. Its totient is φ = 424648.

The previous prime is 530807. The next prime is 530833. The reversal of 530815 is 518035.

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 530815 - 2³ = 530807 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

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, 53077 + ... + 53086.

It is an arithmetic number, because the mean of its divisors is an integer number (159246).

2⁵³⁰⁸¹⁵ is an apocalyptic number.

530815 is a deficient number, since it is larger than the sum of its proper divisors (106169).

530815 is a wasteful number, since it uses less digits than its factorization.

530815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106168.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 530815 is about 728.5705182067. The cubic root of 530815 is about 80.9681834093.

The spelling of 530815 in words is "five hundred thirty thousand, eight hundred fifteen".