505063312 has 20 divisors (see below), whose sum is σ = 1053834460. Its totient is φ = 233106048.

The previous prime is 505063309. The next prime is 505063397. The reversal of 505063312 is 213360505.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 182358016 + 322705296 = 13504^2 + 17964^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213887 + ... + 1214302.

It is an arithmetic number, because the mean of its divisors is an integer number (52691723).

Almost surely, 2^505063312 is an apocalyptic number.

505063312 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

505063312 is an abundant number, since it is smaller than the sum of its proper divisors (548771148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505063312 is a wasteful number, since it uses less digits than its factorization.

505063312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428210 (or 2428204 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 505063312 is about 22473.6136836068. The cubic root of 505063312 is about 796.3707018081.

The spelling of 505063312 in words is "five hundred five million, sixty-three thousand, three hundred twelve".