530806 has 4 divisors (see below), whose sum is σ = 796212. Its totient is φ = 265402.

The previous prime is 530797. The next prime is 530807. The reversal of 530806 is 608035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 608035 = 5 ⋅121607.

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 nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132700 + ... + 132703.

It is an arithmetic number, because the mean of its divisors is an integer number (199053).

2⁵³⁰⁸⁰⁶ is an apocalyptic number.

530806 is a deficient number, since it is larger than the sum of its proper divisors (265406).

530806 is a wasteful number, since it uses less digits than its factorization.

530806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265405.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 530806 is about 728.5643417022. The cubic root of 530806 is about 80.9677257999.

The spelling of 530806 in words is "five hundred thirty thousand, eight hundred six".