505112508 has 36 divisors (see below), whose sum is σ = 1278856488. Its totient is φ = 168101280.

The previous prime is 505112507. The next prime is 505112521. The reversal of 505112508 is 805211505.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505112501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12238 + ... + 34058.

Almost surely, 2^505112508 is an apocalyptic number.

It is an amenable number.

505112508 is an abundant number, since it is smaller than the sum of its proper divisors (773743980).

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

505112508 is a wasteful number, since it uses less digits than its factorization.

505112508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22474 (or 22469 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 505112508 is about 22474.7081849798. The cubic root of 505112508 is about 796.3965579599.

The spelling of 505112508 in words is "five hundred five million, one hundred twelve thousand, five hundred eight".