530065 has 4 divisors (see below), whose sum is σ = 636084. Its totient is φ = 424048.

The previous prime is 530063. The next prime is 530087. The reversal of 530065 is 560035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 197136 + 332929 = 444^2 + 577^2 .

It is a cyclic number.

It is not a de Polignac number, because 530065 - 2¹ = 530063 is a prime.

It is a Duffinian number.

530065 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53002 + ... + 53011.

It is an arithmetic number, because the mean of its divisors is an integer number (159021).

2⁵³⁰⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

530065 is a deficient number, since it is larger than the sum of its proper divisors (106019).

530065 is a wasteful number, since it uses less digits than its factorization.

530065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106018.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 530065 is about 728.0556297427. The cubic root of 530065 is about 80.9300315356.

The spelling of 530065 in words is "five hundred thirty thousand, sixty-five".