285486853 has 2 divisors, whose sum is σ = 285486854. Its totient is φ = 285486852.

The previous prime is 285486841. The next prime is 285486889. The reversal of 285486853 is 358684582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272976484 + 12510369 = 16522^2 + 3537^2 .

It is a cyclic number.

It is not a de Polignac number, because 285486853 - 2⁵ = 285486821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 285486797 and 285486806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285486823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142743426 + 142743427.

It is an arithmetic number, because the mean of its divisors is an integer number (142743427).

Almost surely, 2^285486853 is an apocalyptic number.

It is an amenable number.

285486853 is a deficient number, since it is larger than the sum of its proper divisors (1).

285486853 is an equidigital number, since it uses as much as digits as its factorization.

285486853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1843200, while the sum is 49.

The square root of 285486853 is about 16896.3562048153. The cubic root of 285486853 is about 658.4589489438.

The spelling of 285486853 in words is "two hundred eighty-five million, four hundred eighty-six thousand, eight hundred fifty-three".