Subtracting 513426 from its reverse (624315), we obtain a square (110889 = 3332).
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
513426 is an admirable number.
It is a Curzon number.
513426 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2513426 is an apocalyptic number.
513426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
513426 is a wasteful number, since it uses less digits than its factorization.
513426 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85576.
The square root of 513426 is about 716.5375077412. The cubic root of 513426 is about 80.0742019879.
The spelling of 513426 in words is "five hundred thirteen thousand, four hundred twenty-six".