520871486 has 8 divisors (see below), whose sum is σ = 806510784. Its totient is φ = 252034560.

The previous prime is 520871447. The next prime is 520871537. The reversal of 520871486 is 684178025.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4200515 + ... + 4200638.

It is an arithmetic number, because the mean of its divisors is an integer number (100813848).

Almost surely, 2^520871486 is an apocalyptic number.

520871486 is a deficient number, since it is larger than the sum of its proper divisors (285639298).

520871486 is a wasteful number, since it uses less digits than its factorization.

520871486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8401186.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 520871486 is about 22822.6090971212. The cubic root of 520871486 is about 804.5941325555.

The spelling of 520871486 in words is "five hundred twenty million, eight hundred seventy-one thousand, four hundred eighty-six".