530240 has 28 divisors (see below), whose sum is σ = 1263396. Its totient is φ = 211968.

The previous prime is 530237. The next prime is 530249. The reversal of 530240 is 42035.

It can be written as a sum of positive squares in 2 ways, for example, as 179776 + 350464 = 424^2 + 592^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530249) 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, 509 + ... + 1148.

2⁵³⁰²⁴⁰ is an apocalyptic number.

It is an amenable number.

530240 is an abundant number, since it is smaller than the sum of its proper divisors (733156).

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

530240 is a wasteful number, since it uses less digits than its factorization.

530240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674 (or 1664 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 530240 is about 728.1758029487. The cubic root of 530240 is about 80.9389368568.

Adding to 530240 its reverse (42035), we get a palindrome (572275).

The spelling of 530240 in words is "five hundred thirty thousand, two hundred forty".