285202663 has 2 divisors, whose sum is σ = 285202664. Its totient is φ = 285202662.

The previous prime is 285202657. The next prime is 285202717. The reversal of 285202663 is 366202582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285202663 - 2¹³ = 285194471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285202363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142601331 + 142601332.

It is an arithmetic number, because the mean of its divisors is an integer number (142601332).

Almost surely, 2^285202663 is an apocalyptic number.

285202663 is a deficient number, since it is larger than the sum of its proper divisors (1).

285202663 is an equidigital number, since it uses as much as digits as its factorization.

285202663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 285202663 is about 16887.9443094771. The cubic root of 285202663 is about 658.2403871273.

The spelling of 285202663 in words is "two hundred eighty-five million, two hundred two thousand, six hundred sixty-three".