285288375 has 16 divisors (see below), whose sum is σ = 474720480. Its totient is φ = 152153600.

The previous prime is 285288371. The next prime is 285288383. The reversal of 285288375 is 573882582.

It is not a de Polignac number, because 285288375 - 2² = 285288371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285288371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380010 + ... + 380759.

It is an arithmetic number, because the mean of its divisors is an integer number (29670030).

Almost surely, 2^285288375 is an apocalyptic number.

285288375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

285288375 is a deficient number, since it is larger than the sum of its proper divisors (189432105).

285288375 is an equidigital number, since it uses as much as digits as its factorization.

285288375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760787 (or 760777 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 48.

The square root of 285288375 is about 16890.4817870894. The cubic root of 285288375 is about 658.3063208842.

The spelling of 285288375 in words is "two hundred eighty-five million, two hundred eighty-eight thousand, three hundred seventy-five".