6441457 has 4 divisors (see below), whose sum is σ = 7027056. Its totient is φ = 5855860.

The previous prime is 6441439. The next prime is 6441467. The reversal of 6441457 is 7541446.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6441457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6441427) 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, 292783 + ... + 292804.

It is an arithmetic number, because the mean of its divisors is an integer number (1756764).

Almost surely, 2^6441457 is an apocalyptic number.

It is an amenable number.

6441457 is a deficient number, since it is larger than the sum of its proper divisors (585599).

6441457 is a wasteful number, since it uses less digits than its factorization.

6441457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585598.

The product of its digits is 13440, while the sum is 31.

The square root of 6441457 is about 2538.0025610704. The cubic root of 6441457 is about 186.0635790664.

The spelling of 6441457 in words is "six million, four hundred forty-one thousand, four hundred fifty-seven".