505045505 has 8 divisors (see below), whose sum is σ = 611615400. Its totient is φ = 400329216.

The previous prime is 505045481. The next prime is 505045511. The reversal of 505045505 is 505540505.

505045505 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 18931201 + 486114304 = 4351^2 + 22048^2 .

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 505045505 - 2¹⁴ = 505029121 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462800 + ... + 463889.

It is an arithmetic number, because the mean of its divisors is an integer number (76451925).

Almost surely, 2^505045505 is an apocalyptic number.

It is an amenable number.

505045505 is a deficient number, since it is larger than the sum of its proper divisors (106569895).

505045505 is a wasteful number, since it uses less digits than its factorization.

505045505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926803.

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 505045505 is about 22473.2175043984. The cubic root of 505045505 is about 796.3613424932.

The spelling of 505045505 in words is "five hundred five million, forty-five thousand, five hundred five".