530172 has 24 divisors (see below), whose sum is σ = 1374800. Its totient is φ = 176688.

The previous prime is 530143. The next prime is 530177. The reversal of 530172 is 271035.

530172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530177) by changing a digit.

530172 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2347 + ... + 2562.

2⁵³⁰¹⁷² is an apocalyptic number.

It is an amenable number.

530172 is an abundant number, since it is smaller than the sum of its proper divisors (844628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

530172 is a wasteful number, since it uses less digits than its factorization.

530172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4922 (or 4914 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 530172 is about 728.1291094305. The cubic root of 530172 is about 80.9354767362.

The spelling of 530172 in words is "five hundred thirty thousand, one hundred seventy-two".