530591 has 4 divisors (see below), whose sum is σ = 533832. Its totient is φ = 527352.

The previous prime is 530567. The next prime is 530597. The reversal of 530591 is 195035.

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 530591 - 2⁶ = 530527 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 (530597) 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, 1361 + ... + 1706.

It is an arithmetic number, because the mean of its divisors is an integer number (133458).

2⁵³⁰⁵⁹¹ is an apocalyptic number.

530591 is a deficient number, since it is larger than the sum of its proper divisors (3241).

530591 is a wasteful number, since it uses less digits than its factorization.

530591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 530591 is about 728.4167763032. The cubic root of 530591 is about 80.9567924822.

The spelling of 530591 in words is "five hundred thirty thousand, five hundred ninety-one".