285253712 has 20 divisors (see below), whose sum is σ = 552958656. Its totient is φ = 142554720.

The previous prime is 285253711. The next prime is 285253729. The reversal of 285253712 is 217352582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285253711) 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, 43787 + ... + 49877.

Almost surely, 2^285253712 is an apocalyptic number.

It is an amenable number.

285253712 is a deficient number, since it is larger than the sum of its proper divisors (267704944).

285253712 is a wasteful number, since it uses less digits than its factorization.

285253712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9026 (or 9020 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 285253712 is about 16889.4556454612. The cubic root of 285253712 is about 658.2796580426.

The spelling of 285253712 in words is "two hundred eighty-five million, two hundred fifty-three thousand, seven hundred twelve".