530203540 has 48 divisors (see below), whose sum is σ = 1160861184. Its totient is φ = 203184000.

The previous prime is 530203517. The next prime is 530203579. The reversal of 530203540 is 45302035.

It is a super-2 number, since 2×530203540² = 562231587657063200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58387 + ... + 66853.

It is an arithmetic number, because the mean of its divisors is an integer number (24184608).

Almost surely, 2^530203540 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 530203540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580430592).

530203540 is an abundant number, since it is smaller than the sum of its proper divisors (630657644).

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

530203540 is a wasteful number, since it uses less digits than its factorization.

530203540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8608 (or 8606 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 530203540 is about 23026.1490484188. The cubic root of 530203540 is about 809.3708165832.

Adding to 530203540 its reverse (45302035), we get a palindrome (575505575).

The spelling of 530203540 in words is "five hundred thirty million, two hundred three thousand, five hundred forty".