505484505 has 24 divisors (see below), whose sum is σ = 877968000. Its totient is φ = 269039520.

The previous prime is 505484503. The next prime is 505484513.

505484505 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 505484505 - 2¹ = 505484503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505484505.

It is not an unprimeable number, because it can be changed into a prime (505484503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11200 + ... + 33710.

It is an arithmetic number, because the mean of its divisors is an integer number (36582000).

Almost surely, 2^505484505 is an apocalyptic number.

It is an amenable number.

505484505 is a deficient number, since it is larger than the sum of its proper divisors (372483495).

505484505 is a wasteful number, since it uses less digits than its factorization.

505484505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23021 (or 23018 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The square root of 505484505 is about 22482.9825645976. The cubic root of 505484505 is about 796.5920156899.

Subtracting from 505484505 its product of nonzero digits (80000), we obtain a palindrome (505404505).

The spelling of 505484505 in words is "five hundred five million, four hundred eighty-four thousand, five hundred five".