285365063 has 4 divisors (see below), whose sum is σ = 287612160. Its totient is φ = 283117968.

The previous prime is 285365033. The next prime is 285365081. The reversal of 285365063 is 360563582.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 285365063 - 2¹⁶ = 285299527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285365023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123358 + ... + 1123611.

It is an arithmetic number, because the mean of its divisors is an integer number (71903040).

Almost surely, 2^285365063 is an apocalyptic number.

285365063 is a deficient number, since it is larger than the sum of its proper divisors (2247097).

285365063 is a wasteful number, since it uses less digits than its factorization.

285365063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247096.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 285365063 is about 16892.7517888590. The cubic root of 285365063 is about 658.3653017573.

The spelling of 285365063 in words is "two hundred eighty-five million, three hundred sixty-five thousand, sixty-three".