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 an emirpimes, since its reverse is a distinct semiprime: 1421746 = 2 ⋅710873.
It is a Duffinian number.
6471241 is a lucky number.
Almost surely, 26471241 is an apocalyptic number.
It is an amenable number.
6471241 is an equidigital number, since it uses as much as digits as its factorization.
6471241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 924470.
The square root of 6471241 is about 2543.8634004207. The cubic root of 6471241 is about 186.3499117108.
Adding to 6471241 its reverse (1421746), we get a palindrome (7892987).
The spelling of 6471241 in words is "six million, four hundred seventy-one thousand, two hundred forty-one".