530242420 has 24 divisors (see below), whose sum is σ = 1126024200. Its totient is φ = 209713152.

The previous prime is 530242397. The next prime is 530242421. The reversal of 530242420 is 24242035.

It can be written as a sum of positive squares in 4 ways, for example, as 62125924 + 468116496 = 7882^2 + 21636^2 .

It is a junction number, because it is equal to n+sod(n) for n = 530242391 and 530242400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530242421) 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 7 ways as a sum of consecutive naturals, for example, 147165 + ... + 150724.

It is an arithmetic number, because the mean of its divisors is an integer number (46917675).

Almost surely, 2^530242420 is an apocalyptic number.

It is an amenable number.

530242420 is an abundant number, since it is smaller than the sum of its proper divisors (595781780).

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

530242420 is a wasteful number, since it uses less digits than its factorization.

530242420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297987 (or 297985 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 530242420 is about 23026.9932904841. The cubic root of 530242420 is about 809.3905999090.

Adding to 530242420 its reverse (24242035), we get a palindrome (554484455).

The spelling of 530242420 in words is "five hundred thirty million, two hundred forty-two thousand, four hundred twenty".