501712 has 10 divisors (see below), whose sum is σ = 972098. Its totient is φ = 250848.

The previous prime is 501707. The next prime is 501719. The reversal of 501712 is 217105.

It can be written as a sum of positive squares in only one way, i.e., 467856 + 33856 = 684^2 + 184^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 31357 = 501712 / (5 + 0 + 1 + 7 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501719) 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 as a sum of consecutive naturals, namely, 15663 + ... + 15694.

2⁵⁰¹⁷¹² is an apocalyptic number.

It is an amenable number.

501712 is a deficient number, since it is larger than the sum of its proper divisors (470386).

501712 is a wasteful number, since it uses less digits than its factorization.

501712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31365 (or 31359 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 501712 is about 708.3163135210. The cubic root of 501712 is about 79.4605370906.

Adding to 501712 its reverse (217105), we get a palindrome (718817).

The spelling of 501712 in words is "five hundred one thousand, seven hundred twelve".