The book is now available! 2537
(another Prime Pages' Curiosity)
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+ 2537 = 2^pi(2)+5^pi(5)+3^pi(3)+7^pi(7). Note that 2537 is the largest number with this property. [Firoozbakht]

+ The smaller of three brilliant numbers consisting of all the distinct prime digits, i.e., 2537=43*59. The other two are: 2573=31*83 and 5723=59*97. [Loungrides]

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