Fatto matematico: 1737 is a value of n so that (n-1)^{2} + n^{2} + (n+1)^{2} is a palindrome.
Trivia: 1737 is a boring number.
Data storica: October 2nd is the day in 1928 that the "Prelature of the Holy Cross and the Work of God", commonly known as Opus Dei, is founded by Saint Josemaría Escrivá.