285335473 has 4 divisors (see below), whose sum is σ = 286829568. Its totient is φ = 283841380.

The previous prime is 285335471. The next prime is 285335503. The reversal of 285335473 is 374533582.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 285335473 - 2¹ = 285335471 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285335471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 746761 + ... + 747142.

It is an arithmetic number, because the mean of its divisors is an integer number (71707392).

Almost surely, 2^285335473 is an apocalyptic number.

It is an amenable number.

285335473 is a deficient number, since it is larger than the sum of its proper divisors (1494095).

285335473 is a wasteful number, since it uses less digits than its factorization.

285335473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494094.

The product of its digits is 302400, while the sum is 40.

The square root of 285335473 is about 16891.8759467384. The cubic root of 285335473 is about 658.3425452894.

The spelling of 285335473 in words is "two hundred eighty-five million, three hundred thirty-five thousand, four hundred seventy-three".