524083220 has 18 divisors (see below), whose sum is σ = 1100789802. Its totient is φ = 209592336.

The previous prime is 524083199. The next prime is 524083291. The reversal of 524083220 is 22380425.

It can be written as a sum of positive squares in only one way, i.e., 419266576 + 104816644 = 20476^2 + 10238^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 524083220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99821 + ... + 104939.

It is an arithmetic number, because the mean of its divisors is an integer number (61154989).

Almost surely, 2^524083220 is an apocalyptic number.

It is an amenable number.

524083220 is an abundant number, since it is smaller than the sum of its proper divisors (576706582).

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

524083220 is an frugal number, since it uses more digits than its factorization.

524083220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10247 (or 5126 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 524083220 is about 22892.8639536428. The cubic root of 524083220 is about 806.2444750938.

The spelling of 524083220 in words is "five hundred twenty-four million, eighty-three thousand, two hundred twenty".