530442521 has 8 divisors (see below), whose sum is σ = 607458624. Its totient is φ = 453736080.

The previous prime is 530442469. The next prime is 530442527. The reversal of 530442521 is 125244035.

It is a happy number.

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

It is not a de Polignac number, because 530442521 - 2¹⁴ = 530426137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (530442527) 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, 73730 + ... + 80603.

It is an arithmetic number, because the mean of its divisors is an integer number (75932328).

Almost surely, 2^530442521 is an apocalyptic number.

It is an amenable number.

530442521 is a deficient number, since it is larger than the sum of its proper divisors (77016103).

530442521 is a wasteful number, since it uses less digits than its factorization.

530442521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154831.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 530442521 is about 23031.3378030891. The cubic root of 530442521 is about 809.4924020869.

Adding to 530442521 its reverse (125244035), we get a palindrome (655686556).

The spelling of 530442521 in words is "five hundred thirty million, four hundred forty-two thousand, five hundred twenty-one".