It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is a Duffinian number.
It is a congruent number.
22050501 is an apocalyptic number.
It is an amenable number.
2050501 is a wasteful number, since it uses less digits than its factorization.
2050501 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3002.
The square root of 2050501 is about 1431.9570524286. The cubic root of 2050501 is about 127.0437570096.
Subtracting from 2050501 its reverse (1050502), we obtain a palindrome (999999).
The spelling of 2050501 in words is "two million, fifty thousand, five hundred one".