505411874 has 16 divisors (see below), whose sum is σ = 832593600. Its totient is φ = 228189360.

The previous prime is 505411861. The next prime is 505411891. The reversal of 505411874 is 478114505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73814 + ... + 80369.

It is an arithmetic number, because the mean of its divisors is an integer number (52037100).

Almost surely, 2^505411874 is an apocalyptic number.

505411874 is a deficient number, since it is larger than the sum of its proper divisors (327181726).

505411874 is a wasteful number, since it uses less digits than its factorization.

505411874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154345.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 505411874 is about 22481.3672626911. The cubic root of 505411874 is about 796.5538608468.

The spelling of 505411874 in words is "five hundred five million, four hundred eleven thousand, eight hundred seventy-four".