530440213 has 4 divisors (see below), whose sum is σ = 531700588. Its totient is φ = 529179840.

The previous prime is 530440151. The next prime is 530440241. The reversal of 530440213 is 312044035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 211353444 + 319086769 = 14538^2 + 17863^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530440213 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 (530740213) 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, 629556 + ... + 630397.

It is an arithmetic number, because the mean of its divisors is an integer number (132925147).

Almost surely, 2^530440213 is an apocalyptic number.

It is an amenable number.

530440213 is a deficient number, since it is larger than the sum of its proper divisors (1260375).

530440213 is a wasteful number, since it uses less digits than its factorization.

530440213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260374.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 530440213 is about 23031.2876973911. The cubic root of 530440213 is about 809.4912280287.

Adding to 530440213 its reverse (312044035), we get a palindrome (842484248).

The spelling of 530440213 in words is "five hundred thirty million, four hundred forty thousand, two hundred thirteen".