530345 has 8 divisors (see below), whose sum is σ = 645576. Its totient is φ = 418176.

The previous prime is 530339. The next prime is 530353. The reversal of 530345 is 543035.

It can be written as a sum of positive squares in 4 ways, for example, as 204304 + 326041 = 452^2 + 571^2 .

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 530345 - 2⁴ = 530329 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

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, 362 + ... + 1091.

It is an arithmetic number, because the mean of its divisors is an integer number (80697).

2⁵³⁰³⁴⁵ is an apocalyptic number.

It is an amenable number.

530345 is a deficient number, since it is larger than the sum of its proper divisors (115231).

530345 is a wasteful number, since it uses less digits than its factorization.

530345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 530345 is about 728.2478973536. The cubic root of 530345 is about 80.9442791090.

The spelling of 530345 in words is "five hundred thirty thousand, three hundred forty-five".