520097472 has 84 divisors (see below), whose sum is σ = 1497655120. Its totient is φ = 172564992.

The previous prime is 520097437. The next prime is 520097489. The reversal of 520097472 is 274790025.

520097472 is a `hidden beast` number, since 520 + 0 + 97 + 47 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129933 + ... + 133875.

Almost surely, 2^520097472 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 520097472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748827560).

520097472 is an abundant number, since it is smaller than the sum of its proper divisors (977557648).

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

520097472 is a wasteful number, since it uses less digits than its factorization.

520097472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190 (or 4177 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 520097472 is about 22805.6456168204. The cubic root of 520097472 is about 804.1953932174.

The spelling of 520097472 in words is "five hundred twenty million, ninety-seven thousand, four hundred seventy-two".