530252321 has 8 divisors (see below), whose sum is σ = 570648744. Its totient is φ = 490878720.

The previous prime is 530252279. The next prime is 530252341. The reversal of 530252321 is 123252035.

It can be written as a sum of positive squares in 4 ways, for example, as 2907025 + 527345296 = 1705^2 + 22964^2 .

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 530252321 - 2²² = 526058017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530252341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254630 + ... + 256703.

It is an arithmetic number, because the mean of its divisors is an integer number (71331093).

Almost surely, 2^530252321 is an apocalyptic number.

It is an amenable number.

530252321 is a deficient number, since it is larger than the sum of its proper divisors (40396423).

530252321 is a wasteful number, since it uses less digits than its factorization.

530252321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511411.

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

The square root of 530252321 is about 23027.2082762978. The cubic root of 530252321 is about 809.3956376843.

The spelling of 530252321 in words is "five hundred thirty million, two hundred fifty-two thousand, three hundred twenty-one".