Perfect Square
664418961881025909225109726077326313473337225 is a perfect square (25776325608608879249085 × 25776325608608879249085)
664418961881025909225109726077326313473337225 is a perfect square (25776325608608879249085 × 25776325608608879249085)
664418961881025909225109726077326313473337225 is odd
Previous odd number is 664418961881025909225109726077326313473337223
Next odd number is 664418961881025909225109726077326313473337227
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293309449579913425546034937464435724645424875854189737600704257808572418107939958199197520663271131852146637583241361918235525143265625
441452556907060160219062091348514792846539268483787088321450510806077514053850978570700625