505712 has 10 divisors (see below), whose sum is σ = 979848. Its totient is φ = 252848.

The previous prime is 505711. The next prime is 505727. The reversal of 505712 is 217505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15788 + ... + 15819.

2⁵⁰⁵⁷¹² is an apocalyptic number.

It is an amenable number.

505712 is a deficient number, since it is larger than the sum of its proper divisors (474136).

505712 is a wasteful number, since it uses less digits than its factorization.

505712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31615 (or 31609 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 505712 is about 711.1343051773. The cubic root of 505712 is about 79.6711500738.

The spelling of 505712 in words is "five hundred five thousand, seven hundred twelve".