285275012 has 24 divisors (see below), whose sum is σ = 552750240. Its totient is φ = 127733760.

The previous prime is 285274999. The next prime is 285275017. The reversal of 285275012 is 210572582.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 285275012.

It is not an unprimeable number, because it can be changed into a prime (285275017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45437 + ... + 51332.

It is an arithmetic number, because the mean of its divisors is an integer number (23031260).

Almost surely, 2^285275012 is an apocalyptic number.

285275012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

285275012 is a deficient number, since it is larger than the sum of its proper divisors (267475228).

285275012 is a wasteful number, since it uses less digits than its factorization.

285275012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96851 (or 96849 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 285275012 is about 16890.0862046350. The cubic root of 285275012 is about 658.2960422965.

The spelling of 285275012 in words is "two hundred eighty-five million, two hundred seventy-five thousand, twelve".