285714265 has 4 divisors (see below), whose sum is σ = 342857124. Its totient is φ = 228571408.

The previous prime is 285714263. The next prime is 285714283. The reversal of 285714265 is 562417582.

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

It can be written as a sum of positive squares in 2 ways, for example, as 90022144 + 195692121 = 9488^2 + 13989^2 .

It is a cyclic number.

It is not a de Polignac number, because 285714265 - 2¹ = 285714263 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 (285714263) 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, 28571422 + ... + 28571431.

It is an arithmetic number, because the mean of its divisors is an integer number (85714281).

Almost surely, 2^285714265 is an apocalyptic number.

It is an amenable number.

285714265 is a deficient number, since it is larger than the sum of its proper divisors (57142859).

285714265 is an equidigital number, since it uses as much as digits as its factorization.

285714265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57142858.

The product of its digits is 134400, while the sum is 40.

The square root of 285714265 is about 16903.0844818335. The cubic root of 285714265 is about 658.6337400914.

The spelling of 285714265 in words is "two hundred eighty-five million, seven hundred fourteen thousand, two hundred sixty-five".