530240243 has 16 divisors (see below), whose sum is σ = 582004416. Its totient is φ = 480090240.

The previous prime is 530240231. The next prime is 530240273. The reversal of 530240243 is 342042035.

It is a cyclic number.

It is not a de Polignac number, because 530240243 - 2⁸ = 530239987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (530240273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385505 + ... + 386877.

It is an arithmetic number, because the mean of its divisors is an integer number (36375276).

Almost surely, 2^530240243 is an apocalyptic number.

530240243 is a deficient number, since it is larger than the sum of its proper divisors (51764173).

530240243 is a wasteful number, since it uses less digits than its factorization.

530240243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 530240243 is about 23026.9460198264. The cubic root of 530240243 is about 809.3894922108.

Adding to 530240243 its reverse (342042035), we get a palindrome (872282278).

The spelling of 530240243 in words is "five hundred thirty million, two hundred forty thousand, two hundred forty-three".