505081306 has 16 divisors (see below), whose sum is σ = 775479744. Its totient is φ = 246655584.

The previous prime is 505081289. The next prime is 505081327. The reversal of 505081306 is 603180505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1756 + ... + 31831.

It is an arithmetic number, because the mean of its divisors is an integer number (48467484).

Almost surely, 2^505081306 is an apocalyptic number.

505081306 is a deficient number, since it is larger than the sum of its proper divisors (270398438).

505081306 is a wasteful number, since it uses less digits than its factorization.

505081306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33765.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 505081306 is about 22474.0140161921. The cubic root of 505081306 is about 796.3801591863.

The spelling of 505081306 in words is "five hundred five million, eighty-one thousand, three hundred six".