530304421 has 4 divisors (see below), whose sum is σ = 558215200. Its totient is φ = 502393644.

The previous prime is 530304419. The next prime is 530304427. The reversal of 530304421 is 124403035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124403035 = 5 ⋅24880607.

It is a cyclic number.

It is not a de Polignac number, because 530304421 - 2¹ = 530304419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 530304392 and 530304401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530304427) 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 3 ways as a sum of consecutive naturals, for example, 13955361 + ... + 13955398.

It is an arithmetic number, because the mean of its divisors is an integer number (139553800).

Almost surely, 2^530304421 is an apocalyptic number.

It is an amenable number.

530304421 is a deficient number, since it is larger than the sum of its proper divisors (27910779).

530304421 is a wasteful number, since it uses less digits than its factorization.

530304421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27910778.

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

The square root of 530304421 is about 23028.3395189493. The cubic root of 530304421 is about 809.4221459019.

Adding to 530304421 its reverse (124403035), we get a palindrome (654707456).

The spelling of 530304421 in words is "five hundred thirty million, three hundred four thousand, four hundred twenty-one".