520529881 has 8 divisors (see below), whose sum is σ = 522666144. Its totient is φ = 518399040.

The previous prime is 520529879. The next prime is 520529927. The reversal of 520529881 is 188925025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 520529881 - 2¹ = 520529879 is a prime.

It is a super-2 number, since 2×520529881² = 541902714027748322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520529081) 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 7 ways as a sum of consecutive naturals, for example, 334401 + ... + 335953.

It is an arithmetic number, because the mean of its divisors is an integer number (65333268).

Almost surely, 2^520529881 is an apocalyptic number.

It is an amenable number.

520529881 is a deficient number, since it is larger than the sum of its proper divisors (2136263).

520529881 is a wasteful number, since it uses less digits than its factorization.

520529881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 520529881 is about 22815.1239532026. The cubic root of 520529881 is about 804.4182008116.

The spelling of 520529881 in words is "five hundred twenty million, five hundred twenty-nine thousand, eight hundred eighty-one".