530540 has 24 divisors (see below), whose sum is σ = 1143072. Its totient is φ = 206720.

The previous prime is 530539. The next prime is 530549. The reversal of 530540 is 45035.

It is not an unprimeable number, because it can be changed into a prime (530549) 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 7 ways as a sum of consecutive naturals, for example, 497 + ... + 1143.

It is an arithmetic number, because the mean of its divisors is an integer number (47628).

2⁵³⁰⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (571536).

530540 is an abundant number, since it is smaller than the sum of its proper divisors (612532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

530540 is a wasteful number, since it uses less digits than its factorization.

530540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 530540 is about 728.3817680310. The cubic root of 530540 is about 80.9541985641.

Adding to 530540 its reverse (45035), we get a palindrome (575575).

The spelling of 530540 in words is "five hundred thirty thousand, five hundred forty".