505612 has 12 divisors (see below), whose sum is σ = 906696. Its totient is φ = 246560.

The previous prime is 505607. The next prime is 505613. The reversal of 505612 is 216505.

It is a happy number.

505612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 505612.

It is not an unprimeable number, because it can be changed into a prime (505613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1378 + ... + 1705.

It is an arithmetic number, because the mean of its divisors is an integer number (75558).

2⁵⁰⁵⁶¹² is an apocalyptic number.

It is an amenable number.

505612 is a deficient number, since it is larger than the sum of its proper divisors (401084).

505612 is a wasteful number, since it uses less digits than its factorization.

505612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128 (or 3126 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 505612 is about 711.0639914944. The cubic root of 505612 is about 79.6658983098.

The spelling of 505612 in words is "five hundred five thousand, six hundred twelve".