285852871 has 2 divisors, whose sum is σ = 285852872. Its totient is φ = 285852870.

The previous prime is 285852857. The next prime is 285852881. The reversal of 285852871 is 178258582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 285852871 - 2⁵ = 285852839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285852811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142926435 + 142926436.

It is an arithmetic number, because the mean of its divisors is an integer number (142926436).

Almost surely, 2^285852871 is an apocalyptic number.

285852871 is a deficient number, since it is larger than the sum of its proper divisors (1).

285852871 is an equidigital number, since it uses as much as digits as its factorization.

285852871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 358400, while the sum is 46.

The square root of 285852871 is about 16907.1840056232. The cubic root of 285852871 is about 658.7402285672.

The spelling of 285852871 in words is "two hundred eighty-five million, eight hundred fifty-two thousand, eight hundred seventy-one".