530515 has 4 divisors (see below), whose sum is σ = 636624. Its totient is φ = 424408.

The previous prime is 530513. The next prime is 530527. The reversal of 530515 is 515035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 515035 = 5 ⋅103007.

It is a cyclic number.

It is not a de Polignac number, because 530515 - 2¹ = 530513 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 530492 and 530501.

It is not an unprimeable number, because it can be changed into a prime (530513) 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, 53047 + ... + 53056.

It is an arithmetic number, because the mean of its divisors is an integer number (159156).

2⁵³⁰⁵¹⁵ is an apocalyptic number.

530515 is a deficient number, since it is larger than the sum of its proper divisors (106109).

530515 is a wasteful number, since it uses less digits than its factorization.

530515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106108.

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 530515 is about 728.3646064987. The cubic root of 530515 is about 80.9529269750.

The spelling of 530515 in words is "five hundred thirty thousand, five hundred fifteen".