505706504 has 16 divisors (see below), whose sum is σ = 953499600. Its totient is φ = 251439952.

The previous prime is 505706501. The next prime is 505706519. The reversal of 505706504 is 405607505.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (505706501) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 175142 + ... + 178005.

It is an arithmetic number, because the mean of its divisors is an integer number (59593725).

Almost surely, 2^505706504 is an apocalyptic number.

It is an amenable number.

505706504 is a deficient number, since it is larger than the sum of its proper divisors (447793096).

505706504 is a wasteful number, since it uses less digits than its factorization.

505706504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353332 (or 353328 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 505706504 is about 22487.9190678017. The cubic root of 505706504 is about 796.7086145482.

The spelling of 505706504 in words is "five hundred five million, seven hundred six thousand, five hundred four".