530819 has 4 divisors (see below), whose sum is σ = 533280. Its totient is φ = 528360.

The previous prime is 530807. The next prime is 530833. The reversal of 530819 is 918035.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530819 is a prime.

It is a super-2 number, since 2×530819² = 563537621522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530869) 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, 872 + ... + 1349.

It is an arithmetic number, because the mean of its divisors is an integer number (133320).

2⁵³⁰⁸¹⁹ is an apocalyptic number.

530819 is a deficient number, since it is larger than the sum of its proper divisors (2461).

530819 is a wasteful number, since it uses less digits than its factorization.

530819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 530819 is about 728.5732633030. The cubic root of 530819 is about 80.9683867895.

The spelling of 530819 in words is "five hundred thirty thousand, eight hundred nineteen".