530340665 has 8 divisors (see below), whose sum is σ = 636535368. Its totient is φ = 424188160.

The previous prime is 530340659. The next prime is 530340703. The reversal of 530340665 is 566043035.

530340665 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 17952169 + 512388496 = 4237^2 + 22636^2 .

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

It is not a de Polignac number, because 530340665 - 2¹⁴ = 530324281 is a prime.

It is a super-3 number, since 3×530340665³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34955 + ... + 47775.

It is an arithmetic number, because the mean of its divisors is an integer number (79566921).

Almost surely, 2^530340665 is an apocalyptic number.

It is an amenable number.

530340665 is a deficient number, since it is larger than the sum of its proper divisors (106194703).

530340665 is a wasteful number, since it uses less digits than its factorization.

530340665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21099.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 530340665 is about 23029.1264489125. The cubic root of 530340665 is about 809.4405856425.

The spelling of 530340665 in words is "five hundred thirty million, three hundred forty thousand, six hundred sixty-five".