520509982 has 8 divisors (see below), whose sum is σ = 780918696. Its totient is φ = 260203752.

The previous prime is 520509973. The next prime is 520510013. The reversal of 520509982 is 289905025.

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

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, 11328 + ... + 34195.

It is an arithmetic number, because the mean of its divisors is an integer number (97614837).

Almost surely, 2^520509982 is an apocalyptic number.

520509982 is a deficient number, since it is larger than the sum of its proper divisors (260408714).

520509982 is a wasteful number, since it uses less digits than its factorization.

520509982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51242.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 520509982 is about 22814.6878567295. The cubic root of 520509982 is about 804.4079501534.

The spelling of 520509982 in words is "five hundred twenty million, five hundred nine thousand, nine hundred eighty-two".