530685 has 16 divisors (see below), whose sum is σ = 943680. Its totient is φ = 282960.

The previous prime is 530669. The next prime is 530693. The reversal of 530685 is 586035.

530685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 530685 - 2⁴ = 530669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 530685.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1831 + ... + 2100.

It is an arithmetic number, because the mean of its divisors is an integer number (58980).

2⁵³⁰⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

530685 is a deficient number, since it is larger than the sum of its proper divisors (412995).

530685 is a wasteful number, since it uses less digits than its factorization.

530685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3945 (or 3939 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 530685 is about 728.4812969459. The cubic root of 530685 is about 80.9615729937.

The spelling of 530685 in words is "five hundred thirty thousand, six hundred eighty-five".