520007172 has 48 divisors (see below), whose sum is σ = 1231876800. Its totient is φ = 170709120.

The previous prime is 520007171. The next prime is 520007183. The reversal of 520007172 is 271700025.

It is not an unprimeable number, because it can be changed into a prime (520007171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233022 + ... + 235242.

It is an arithmetic number, because the mean of its divisors is an integer number (25664100).

Almost surely, 2^520007172 is an apocalyptic number.

It is an amenable number.

520007172 is an abundant number, since it is smaller than the sum of its proper divisors (711869628).

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

520007172 is a wasteful number, since it uses less digits than its factorization.

520007172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516 (or 2514 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 520007172 is about 22803.6657579434. The cubic root of 520007172 is about 804.1488487066.

Adding to 520007172 its reverse (271700025), we get a palindrome (791707197).

The spelling of 520007172 in words is "five hundred twenty million, seven thousand, one hundred seventy-two".