505278052 has 12 divisors (see below), whose sum is σ = 912760576. Its totient is φ = 244489320.

The previous prime is 505278047. The next prime is 505278071. The reversal of 505278052 is 250872505.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 505277999 and 505278017.

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 3 ways as a sum of consecutive naturals, for example, 2037288 + ... + 2037535.

Almost surely, 2^505278052 is an apocalyptic number.

It is an amenable number.

505278052 is a deficient number, since it is larger than the sum of its proper divisors (407482524).

505278052 is a wasteful number, since it uses less digits than its factorization.

505278052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074858 (or 4074856 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 505278052 is about 22478.3907787012. The cubic root of 505278052 is about 796.4835512994.

The spelling of 505278052 in words is "five hundred five million, two hundred seventy-eight thousand, fifty-two".