500050000521 has 24 divisors (see below), whose sum is σ = 765189809280. Its totient is φ = 313589702016.

The previous prime is 500050000517. The next prime is 500050000529. The reversal of 500050000521 is 125000050005.

It is not a de Polignac number, because 500050000521 - 2² = 500050000517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 500050000494 and 500050000503.

It is not an unprimeable number, because it can be changed into a prime (500050000529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 582205 + ... + 1157178.

It is an arithmetic number, because the mean of its divisors is an integer number (31882908720).

Almost surely, 2^500050000521 is an apocalyptic number.

500050000521 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

500050000521 is a deficient number, since it is larger than the sum of its proper divisors (265139808759).

500050000521 is a wasteful number, since it uses less digits than its factorization.

500050000521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741285 (or 1741282 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

Adding to 500050000521 its reverse (125000050005), we get a palindrome (625050050526).

The spelling of 500050000521 in words is "five hundred billion, fifty million, five hundred twenty-one", and thus it is an aban number.