6641461 has 4 divisors (see below), whose sum is σ = 6675372. Its totient is φ = 6607552.

The previous prime is 6641449. The next prime is 6641473. The reversal of 6641461 is 1641466.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1641466 = 2 ⋅820733.

It is an interprime number because it is at equal distance from previous prime (6641449) and next prime (6641473).

It can be written as a sum of positive squares in 2 ways, for example, as 4100625 + 2540836 = 2025^2 + 1594^2 .

It is a cyclic number.

It is not a de Polignac number, because 6641461 - 2⁷ = 6641333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6641491) 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, 16660 + ... + 17053.

It is an arithmetic number, because the mean of its divisors is an integer number (1668843).

Almost surely, 2^6641461 is an apocalyptic number.

It is an amenable number.

6641461 is a deficient number, since it is larger than the sum of its proper divisors (33911).

6641461 is a wasteful number, since it uses less digits than its factorization.

6641461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33910.

The product of its digits is 3456, while the sum is 28.

The square root of 6641461 is about 2577.1032187322. The cubic root of 6641461 is about 187.9697118099.

The spelling of 6641461 in words is "six million, six hundred forty-one thousand, four hundred sixty-one".