500202421525 has 6 divisors (see below), whose sum is σ = 620251002722. Its totient is φ = 400161937200.

The previous prime is 500202421519. The next prime is 500202421529. The reversal of 500202421525 is 525124202005.

It can be written as a sum of positive squares in 3 ways, for example, as 125944782769 + 374257638756 = 354887^2 + 611766^2 .

It is not a de Polignac number, because 500202421525 - 2¹⁷ = 500202290453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 500202421493 and 500202421502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500202421529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10004048406 + ... + 10004048455.

Almost surely, 2^500202421525 is an apocalyptic number.

It is an amenable number.

500202421525 is a deficient number, since it is larger than the sum of its proper divisors (120048581197).

500202421525 is a wasteful number, since it uses less digits than its factorization.

500202421525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20008096871 (or 20008096866 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The spelling of 500202421525 in words is "five hundred billion, two hundred two million, four hundred twenty-one thousand, five hundred twenty-five".