530615 has 4 divisors (see below), whose sum is σ = 636744. Its totient is φ = 424488.

The previous prime is 530609. The next prime is 530641. The reversal of 530615 is 516035.

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

It is a cyclic number.

It is not a de Polignac number, because 530615 - 2⁴ = 530599 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9 and base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53057 + ... + 53066.

It is an arithmetic number, because the mean of its divisors is an integer number (159186).

2⁵³⁰⁶¹⁵ is an apocalyptic number.

530615 is a deficient number, since it is larger than the sum of its proper divisors (106129).

530615 is a wasteful number, since it uses less digits than its factorization.

530615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106128.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 530615 is about 728.4332502021. The cubic root of 530615 is about 80.9580130920.

The spelling of 530615 in words is "five hundred thirty thousand, six hundred fifteen".