500081505 has 72 divisors (see below), whose sum is σ = 1023253056. Its totient is φ = 207789120.

The previous prime is 500081497. The next prime is 500081509. The reversal of 500081505 is 505180005.

It is not a de Polignac number, because 500081505 - 2³ = 500081497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (500081509) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 86124 + ... + 91746.

It is an arithmetic number, because the mean of its divisors is an integer number (14211848).

Almost surely, 2^500081505 is an apocalyptic number.

500081505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

500081505 is an abundant number, since it is smaller than the sum of its proper divisors (523171551).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

500081505 is a wasteful number, since it uses less digits than its factorization.

500081505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5667 (or 5649 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 500081505 is about 22362.5022079373. The cubic root of 500081505 is about 793.7436506818.

The spelling of 500081505 in words is "five hundred million, eighty-one thousand, five hundred five".