508505081 has 8 divisors (see below), whose sum is σ = 582464064. Its totient is φ = 434874960.

The previous prime is 508505051. The next prime is 508505087. The reversal of 508505081 is 180505805.

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

It is a cyclic number.

It is not a de Polignac number, because 508505081 - 2²⁶ = 441396217 is a prime.

It is a super-2 number, since 2×508505081² = 517154834805633122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (508505087) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 78890 + ... + 85091.

It is an arithmetic number, because the mean of its divisors is an integer number (72808008).

Almost surely, 2^508505081 is an apocalyptic number.

It is an amenable number.

508505081 is a deficient number, since it is larger than the sum of its proper divisors (73958983).

508505081 is a wasteful number, since it uses less digits than its factorization.

508505081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164431.

The product of its (nonzero) digits is 8000, while the sum is 32.

The square root of 508505081 is about 22550.0572283088. The cubic root of 508505081 is about 798.1755721793.

The spelling of 508505081 in words is "five hundred eight million, five hundred five thousand, eighty-one".