It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 425321.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425321.
2425321 is an apocalyptic number.
It is an amenable number.
425321 is a wasteful number, since it uses less digits than its factorization.
425321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32730.
The square root of 425321 is about 652.1663898117. The cubic root of 425321 is about 75.2036539080.
Adding to 425321 its reverse (123524), we get a palindrome (548845).
The spelling of 425321 in words is "four hundred twenty-five thousand, three hundred twenty-one".