285253252 has 12 divisors (see below), whose sum is σ = 499435216. Its totient is φ = 142557480.

The previous prime is 285253223. The next prime is 285253253. The reversal of 285253252 is 252352582.

It is not an unprimeable number, because it can be changed into a prime (285253253) 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, 7374 + ... + 24997.

Almost surely, 2^285253252 is an apocalyptic number.

It is an amenable number.

285253252 is a deficient number, since it is larger than the sum of its proper divisors (214181964).

285253252 is a wasteful number, since it uses less digits than its factorization.

285253252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34578 (or 34576 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The square root of 285253252 is about 16889.4420274916. The cubic root of 285253252 is about 658.2793041953.

The spelling of 285253252 in words is "two hundred eighty-five million, two hundred fifty-three thousand, two hundred fifty-two".