Zero is an even number. In other words, its
parity—the quality of an
integer being even or odd—is even. The simplest way to prove that zero is even is to check that it fits the definition of "even": it is an integer
multiple of
2, specifically . As a result, zero shares all the properties that characterize even numbers: 0 is
divisible by 2, 0 is neighbored on both sides by odd numbers, 0 is the
sum of an integer (0) with itself, and a set of 0 objects can be split into two equal sets.