530506 has 16 divisors (see below), whose sum is σ = 837216. Its totient is φ = 251856.

The previous prime is 530501. The next prime is 530507. The reversal of 530506 is 605035.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (530501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4905 + ... + 5011.

It is an arithmetic number, because the mean of its divisors is an integer number (52326).

2⁵³⁰⁵⁰⁶ is an apocalyptic number.

530506 is a deficient number, since it is larger than the sum of its proper divisors (306710).

530506 is a wasteful number, since it uses less digits than its factorization.

530506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 530506 is about 728.3584282481. The cubic root of 530506 is about 80.9524691931.

Subtracting 530506 from its reverse (605035), we obtain a square (74529 = 273²).

The spelling of 530506 in words is "five hundred thirty thousand, five hundred six".