Woops my trolling has forgotten the importance of this so very important thread of importnantness!
I trollishly change my mind and think the answer is - 504193.
Weird looking English guy from who wants to be a millionaire says:
Stinky Stinky... you could walk away with 1 million pounds... but if it is wrong you could walk away with less cash... Stinky Stinky... is this your final answer?
No weird looking person thing guy man... I use ancient art of searching on my phone for the answer...
Ahhh yes that's it man!
The all knowing and 500000% correct and flawless internet says the answer is - 504193!
NOW give me my money!!!