520421082 has 8 divisors (see below), whose sum is σ = 1040842176. Its totient is φ = 173473692.

The previous prime is 520421081. The next prime is 520421101. The reversal of 520421082 is 280124025.

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

520421082 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (520421081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43368418 + ... + 43368429.

It is an arithmetic number, because the mean of its divisors is an integer number (130105272).

Almost surely, 2^520421082 is an apocalyptic number.

520421082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

520421082 is a wasteful number, since it uses less digits than its factorization.

520421082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86736852.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 520421082 is about 22812.7394672363. The cubic root of 520421082 is about 804.3621515194.

The spelling of 520421082 in words is "five hundred twenty million, four hundred twenty-one thousand, eighty-two".