285000252 has 24 divisors (see below), whose sum is σ = 665826000. Its totient is φ = 94882176.

The previous prime is 285000227. The next prime is 285000253. The reversal of 285000252 is 252000582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285000253) 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, 4377 + ... + 24272.

It is an arithmetic number, because the mean of its divisors is an integer number (27742750).

Almost surely, 2^285000252 is an apocalyptic number.

It is an amenable number.

285000252 is an abundant number, since it is smaller than the sum of its proper divisors (380825748).

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

285000252 is a wasteful number, since it uses less digits than its factorization.

285000252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29485 (or 29483 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 285000252 is about 16881.9504797283. The cubic root of 285000252 is about 658.0846304858.

The spelling of 285000252 in words is "two hundred eighty-five million, two hundred fifty-two", and thus it is an aban number.