530221352 has 8 divisors (see below), whose sum is σ = 994165050. Its totient is φ = 265110672.

The previous prime is 530221337. The next prime is 530221361. The reversal of 530221352 is 253122035.

It can be written as a sum of positive squares in only one way, i.e., 279759076 + 250462276 = 16726^2 + 15826^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×530221352² = 562269364233415808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33138827 + ... + 33138842.

Almost surely, 2^530221352 is an apocalyptic number.

It is an amenable number.

530221352 is a deficient number, since it is larger than the sum of its proper divisors (463943698).

530221352 is a wasteful number, since it uses less digits than its factorization.

530221352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66277675 (or 66277671 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 530221352 is about 23026.5358228284. The cubic root of 530221352 is about 809.3798799903.

Adding to 530221352 its reverse (253122035), we get a palindrome (783343387).

The spelling of 530221352 in words is "five hundred thirty million, two hundred twenty-one thousand, three hundred fifty-two".