285254663 has 2 divisors, whose sum is σ = 285254664. Its totient is φ = 285254662.

The previous prime is 285254659. The next prime is 285254699. The reversal of 285254663 is 366452582.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285254663 - 2² = 285254659 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 285254663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285256663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142627331 + 142627332.

It is an arithmetic number, because the mean of its divisors is an integer number (142627332).

Almost surely, 2^285254663 is an apocalyptic number.

285254663 is a deficient number, since it is larger than the sum of its proper divisors (1).

285254663 is an equidigital number, since it uses as much as digits as its factorization.

285254663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 41.

The square root of 285254663 is about 16889.4837990982. The cubic root of 285254663 is about 658.2803895823.

The spelling of 285254663 in words is "two hundred eighty-five million, two hundred fifty-four thousand, six hundred sixty-three".