285233975 has 18 divisors (see below), whose sum is σ = 382995576. Its totient is φ = 210631200.

The previous prime is 285233959. The next prime is 285233983. The reversal of 285233975 is 579332582.

It is not a de Polignac number, because 285233975 - 2⁴ = 285233959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29531 + ... + 37980.

It is an arithmetic number, because the mean of its divisors is an integer number (21277532).

Almost surely, 2^285233975 is an apocalyptic number.

285233975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

285233975 is a deficient number, since it is larger than the sum of its proper divisors (97761601).

285233975 is a wasteful number, since it uses less digits than its factorization.

285233975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67547 (or 67529 counting only the distinct ones).

The product of its digits is 453600, while the sum is 44.

The square root of 285233975 is about 16888.8713358827. The cubic root of 285233975 is about 658.2644753418.

The spelling of 285233975 in words is "two hundred eighty-five million, two hundred thirty-three thousand, nine hundred seventy-five".