6641459 has 4 divisors (see below), whose sum is σ = 7245240. Its totient is φ = 6037680.

The previous prime is 6641449. The next prime is 6641473. The reversal of 6641459 is 9541466.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-6641459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6641419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301874 + ... + 301895.

It is an arithmetic number, because the mean of its divisors is an integer number (1811310).

Almost surely, 2^6641459 is an apocalyptic number.

6641459 is a deficient number, since it is larger than the sum of its proper divisors (603781).

6641459 is a wasteful number, since it uses less digits than its factorization.

6641459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603780.

The product of its digits is 25920, while the sum is 35.

The square root of 6641459 is about 2577.1028306996. The cubic root of 6641459 is about 187.9696929416.

The spelling of 6641459 in words is "six million, six hundred forty-one thousand, four hundred fifty-nine".