What does INT(5) in mysql mean?

Question

I always thought INT(5) means a number which has a max size of 5 digits. I tried entering a huge number inside it and it somehow got cut down to 2147483647

This obvi

Answer 1

https://alexander.kirk.at/2007/08/24/what-does-size-in-intsize-of-mysql-mean/
M indicates the maximum display width for integer types. For floating-point and fixed-point types, M is the total number of digits that can be stored. For string types, M is the maximum length. The maximum allowable value of M depends on the data type.