530385 has 16 divisors (see below), whose sum is σ = 893760. Its totient is φ = 267840.

The previous prime is 530359. The next prime is 530389. The reversal of 530385 is 583035.

It is not a de Polignac number, because 530385 - 2⁵ = 530353 is a prime.

530385 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646 + ... + 1215.

It is an arithmetic number, because the mean of its divisors is an integer number (55860).

2⁵³⁰³⁸⁵ is an apocalyptic number.

It is an amenable number.

530385 is a deficient number, since it is larger than the sum of its proper divisors (363375).

530385 is a wasteful number, since it uses less digits than its factorization.

530385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 530385 is about 728.2753600116. The cubic root of 530385 is about 80.9463140672.

Subtracting 530385 from its reverse (583035), we obtain a triangular number (52650 = T₃₂₄).

The spelling of 530385 in words is "five hundred thirty thousand, three hundred eighty-five".