530510221 has 16 divisors (see below), whose sum is σ = 557409600. Its totient is φ = 504459648.

The previous prime is 530510213. The next prime is 530510243. The reversal of 530510221 is 122015035.

It is a cyclic number.

It is not a de Polignac number, because 530510221 - 2³ = 530510213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530510251) 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 15 ways as a sum of consecutive naturals, for example, 255375 + ... + 257443.

It is an arithmetic number, because the mean of its divisors is an integer number (34838100).

Almost surely, 2^530510221 is an apocalyptic number.

It is an amenable number.

530510221 is a deficient number, since it is larger than the sum of its proper divisors (26899379).

530510221 is a wasteful number, since it uses less digits than its factorization.

530510221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 530510221 is about 23032.8074927917. The cubic root of 530510221 is about 809.5268389342.

Adding to 530510221 its reverse (122015035), we get a palindrome (652525256).

The spelling of 530510221 in words is "five hundred thirty million, five hundred ten thousand, two hundred twenty-one".