524172 has 54 divisors (see below), whose sum is σ = 1418844. Its totient is φ = 150480.

The previous prime is 524171. The next prime is 524189. The reversal of 524172 is 271425.

Its product of digits (560) is a multiple of the sum of its prime divisors (35).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (524171) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27579 + ... + 27597.

524172 is a Friedman number, since it can be written as 724^2-5+1, using all its digits and the basic arithmetic operations.

2⁵²⁴¹⁷² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 524172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709422).

524172 is an abundant number, since it is smaller than the sum of its proper divisors (894672).

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

524172 is a wasteful number, since it uses less digits than its factorization.

524172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 35 counting only the distinct ones).

The product of its digits is 560, while the sum is 21.

The square root of 524172 is about 723.9972375638. The cubic root of 524172 is about 80.6289998617.

Adding to 524172 its reverse (271425), we get a palindrome (795597).

It can be divided in two parts, 524 and 172, that added together give a palindrome (696).

The spelling of 524172 in words is "five hundred twenty-four thousand, one hundred seventy-two".