2522, 2523, 2524, 2525, 2526, and 2527 are six consecutive numbers that are all the product of exactly three primes.
2526 is 666 in base 20 (A121205).
2526 is the concatenation of two consecutive increasing numbers (A127421).
2526 is a number for which the product of its digits (120) is 8 times the sum of its digits (15) (A062040).
2526 is the sum of nine distinct pentatope numbers (A104399).
Source: What's Special About This Number?
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