285441235 has 4 divisors (see below), whose sum is σ = 342529488. Its totient is φ = 228352984.

The previous prime is 285441217. The next prime is 285441241. The reversal of 285441235 is 532144582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 285441235 - 2⁹ = 285440723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 285441235.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28544119 + ... + 28544128.

It is an arithmetic number, because the mean of its divisors is an integer number (85632372).

Almost surely, 2^285441235 is an apocalyptic number.

285441235 is a deficient number, since it is larger than the sum of its proper divisors (57088253).

285441235 is an equidigital number, since it uses as much as digits as its factorization.

285441235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57088252.

The product of its digits is 38400, while the sum is 34.

The square root of 285441235 is about 16895.0062148553. The cubic root of 285441235 is about 658.4238753143.

The spelling of 285441235 in words is "two hundred eighty-five million, four hundred forty-one thousand, two hundred thirty-five".