283305063 has 16 divisors (see below), whose sum is σ = 391018496. Its totient is φ = 182265120.

The previous prime is 283305059. The next prime is 283305073. The reversal of 283305063 is 360503382.

It is not a de Polignac number, because 283305063 - 2² = 283305059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 283305063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283305013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30606 + ... + 38772.

It is an arithmetic number, because the mean of its divisors is an integer number (24438656).

Almost surely, 2^283305063 is an apocalyptic number.

283305063 is a deficient number, since it is larger than the sum of its proper divisors (107713433).

283305063 is a wasteful number, since it uses less digits than its factorization.

283305063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8574.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 283305063 is about 16831.6684556226. The cubic root of 283305063 is about 656.7772667372. Note that the first 3 decimals are identical.

The spelling of 283305063 in words is "two hundred eighty-three million, three hundred five thousand, sixty-three".