520331982 has 8 divisors (see below), whose sum is σ = 1040663976. Its totient is φ = 173443992.

The previous prime is 520331951. The next prime is 520332017. The reversal of 520331982 is 289133025.

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

520331982 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43360993 + ... + 43361004.

It is an arithmetic number, because the mean of its divisors is an integer number (130082997).

Almost surely, 2^520331982 is an apocalyptic number.

520331982 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.

520331982 is a wasteful number, since it uses less digits than its factorization.

520331982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86722002.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 520331982 is about 22810.7865274304. The cubic root of 520331982 is about 804.3162446178.

The spelling of 520331982 in words is "five hundred twenty million, three hundred thirty-one thousand, nine hundred eighty-two".