524280 has 64 divisors (see below), whose sum is σ = 1671840. Its totient is φ = 131072.

The previous prime is 524269. The next prime is 524287. The reversal of 524280 is 82425.

It is a nialpdrome in base 2 and base 15.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524287) by changing a digit.

524280 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

In principle, a polygon with 524280 sides can be constructed with ruler and compass.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1912 + ... + 2168.

524280 is a Friedman number, since it can be written as ((2+0)^4)^5/2-8, using all its digits and the basic arithmetic operations.

2⁵²⁴²⁸⁰ 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 524280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (835920).

524280 is an abundant number, since it is smaller than the sum of its proper divisors (1147560).

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

524280 is a wasteful number, since it uses less digits than its factorization.

524280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 524280 is about 724.0718196422. The cubic root of 524280 is about 80.6345370606.

The spelling of 524280 in words is "five hundred twenty-four thousand, two hundred eighty".