501612 has 12 divisors (see below), whose sum is σ = 1170456. Its totient is φ = 167200.

The previous prime is 501601. The next prime is 501617. The reversal of 501612 is 216105.

501612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×501612² = 503229197088, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 501591 and 501600.

It is not an unprimeable number, because it can be changed into a prime (501617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20889 + ... + 20912.

It is an arithmetic number, because the mean of its divisors is an integer number (97538).

2⁵⁰¹⁶¹² is an apocalyptic number.

It is an amenable number.

501612 is an abundant number, since it is smaller than the sum of its proper divisors (668844).

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

501612 is a wasteful number, since it uses less digits than its factorization.

501612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41808 (or 41806 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 501612 is about 708.2457200718. The cubic root of 501612 is about 79.4552574470.

Adding to 501612 its reverse (216105), we get a palindrome (717717).

The spelling of 501612 in words is "five hundred one thousand, six hundred twelve".