505322812 has 6 divisors (see below), whose sum is σ = 884314928. Its totient is φ = 252661404.

The previous prime is 505322791. The next prime is 505322813. The reversal of 505322812 is 218223505.

It is a super-2 number, since 2×505322812² = 510702288655174688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505322813) by changing a digit.

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 as a sum of consecutive naturals, namely, 63165348 + ... + 63165355.

Almost surely, 2^505322812 is an apocalyptic number.

It is an amenable number.

505322812 is a deficient number, since it is larger than the sum of its proper divisors (378992116).

505322812 is a wasteful number, since it uses less digits than its factorization.

505322812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126330707 (or 126330705 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 505322812 is about 22479.3863795256. The cubic root of 505322812 is about 796.5070694072.

The spelling of 505322812 in words is "five hundred five million, three hundred twenty-two thousand, eight hundred twelve".