6451441 has 4 divisors (see below), whose sum is σ = 6659584. Its totient is φ = 6243300.

The previous prime is 6451439. The next prime is 6451451. The reversal of 6451441 is 1441546.

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: 1441546 = 2 ⋅720773.

It is a cyclic number.

It is not a de Polignac number, because 6451441 - 2¹ = 6451439 is a prime.

It is an Ulam number.

It is a Duffinian number.

6451441 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6451451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104025 + ... + 104086.

It is an arithmetic number, because the mean of its divisors is an integer number (1664896).

Almost surely, 2^6451441 is an apocalyptic number.

It is an amenable number.

6451441 is a deficient number, since it is larger than the sum of its proper divisors (208143).

6451441 is a wasteful number, since it uses less digits than its factorization.

6451441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208142.

The product of its digits is 1920, while the sum is 25.

The square root of 6451441 is about 2539.9687005946. The cubic root of 6451441 is about 186.1596598047.

Adding to 6451441 its reverse (1441546), we get a palindrome (7892987).

The spelling of 6451441 in words is "six million, four hundred fifty-one thousand, four hundred forty-one".