285763 has 2 divisors, whose sum is σ = 285764. Its totient is φ = 285762.

The previous prime is 285757. The next prime is 285767. The reversal of 285763 is 367582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 285763 - 2⁵ = 285731 is a prime.

It is not a weakly prime, because it can be changed into another prime (285767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142881 + 142882.

It is an arithmetic number, because the mean of its divisors is an integer number (142882).

285763 is a Friedman number, since it can be written as 8*7^2*3^6-5, using all its digits and the basic arithmetic operations.

2²⁸⁵⁷⁶³ is an apocalyptic number.

285763 is a deficient number, since it is larger than the sum of its proper divisors (1).

285763 is an equidigital number, since it uses as much as digits as its factorization.

285763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 285763 is about 534.5680499244. The cubic root of 285763 is about 65.8671186233.

The spelling of 285763 in words is "two hundred eighty-five thousand, seven hundred sixty-three".