12421
26853 - 35862 = -9009
Yes, if you subtract one.
No, it is a ditloid for 7 Days of the Week.
It is not possible since a palindrome, by definition, requires the last digit to be the same as the first.
The palidrome for the name of a woman in the Old Testament is "Hannah".
It is called a semordilap which is backwards for palidromes. An example of a palidrome is kayak which is the same when read both forwards and backwards. An example of a semordilap is dog and G-d which use the same letters when read forwards or backwards but are obviously different words.
level
bob
toot
Ewe
level
toot
napopan
12421
peep
mum