520871130 has 96 divisors (see below), whose sum is σ = 1535264640. Its totient is φ = 121461120.

The previous prime is 520871107. The next prime is 520871161. The reversal of 520871130 is 31178025.

520871130 is a `hidden beast` number, since 520 + 8 + 7 + 1 + 130 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 520871094 and 520871103.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10515 + ... + 33945.

It is an arithmetic number, because the mean of its divisors is an integer number (15992340).

Almost surely, 2^520871130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520871130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767632320).

520871130 is an abundant number, since it is smaller than the sum of its proper divisors (1014393510).

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

520871130 is a wasteful number, since it uses less digits than its factorization.

520871130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23476 (or 23473 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 520871130 is about 22822.6012978363. The cubic root of 520871130 is about 804.5939492501.

The spelling of 520871130 in words is "five hundred twenty million, eight hundred seventy-one thousand, one hundred thirty".