520881234 has 16 divisors (see below), whose sum is σ = 1042266720. Its totient is φ = 173543040.

The previous prime is 520881223. The next prime is 520881239. The reversal of 520881234 is 432188025.

It is a junction number, because it is equal to n+sod(n) for n = 520881195 and 520881204.

It is not an unprimeable number, because it can be changed into a prime (520881239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6847 + ... + 32994.

It is an arithmetic number, because the mean of its divisors is an integer number (65141670).

Almost surely, 2^520881234 is an apocalyptic number.

520881234 is an abundant number, since it is smaller than the sum of its proper divisors (521385486).

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

520881234 is a wasteful number, since it uses less digits than its factorization.

520881234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42025.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 520881234 is about 22822.8226562798. The cubic root of 520881234 is about 804.5991517940.

The spelling of 520881234 in words is "five hundred twenty million, eight hundred eighty-one thousand, two hundred thirty-four".