520752189 has 16 divisors (see below), whose sum is σ = 708523200. Its totient is φ = 340094976.

The previous prime is 520752173. The next prime is 520752203. The reversal of 520752189 is 981257025.

It is not a de Polignac number, because 520752189 - 2⁴ = 520752173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520752139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120142 + ... + 124400.

It is an arithmetic number, because the mean of its divisors is an integer number (44282700).

Almost surely, 2^520752189 is an apocalyptic number.

It is an amenable number.

520752189 is a deficient number, since it is larger than the sum of its proper divisors (187771011).

520752189 is a wasteful number, since it uses less digits than its factorization.

520752189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 520752189 is about 22819.9953768619. The cubic root of 520752189 is about 804.5327015386.

The spelling of 520752189 in words is "five hundred twenty million, seven hundred fifty-two thousand, one hundred eighty-nine".