530540521 has 8 divisors (see below), whose sum is σ = 622719680. Its totient is φ = 442458288.

The previous prime is 530540501. The next prime is 530540581. The reversal of 530540521 is 125045035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 530540521 - 2¹¹ = 530538473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530540501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023951 + ... + 1024468.

It is an arithmetic number, because the mean of its divisors is an integer number (77839960).

Almost surely, 2^530540521 is an apocalyptic number.

It is an amenable number.

530540521 is a deficient number, since it is larger than the sum of its proper divisors (92179159).

530540521 is a wasteful number, since it uses less digits than its factorization.

530540521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048463.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 530540521 is about 23033.4652408186. The cubic root of 530540521 is about 809.5422506361.

Adding to 530540521 its reverse (125045035), we get a palindrome (655585556).

The spelling of 530540521 in words is "five hundred thirty million, five hundred forty thousand, five hundred twenty-one".