6681461 has 4 divisors (see below), whose sum is σ = 6897024. Its totient is φ = 6465900.

The previous prime is 6681443. The next prime is 6681481. The reversal of 6681461 is 1641866.

It is a happy number.

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 not a de Polignac number, because 6681461 - 2¹⁴ = 6665077 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 (6681421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107735 + ... + 107796.

It is an arithmetic number, because the mean of its divisors is an integer number (1724256).

Almost surely, 2^6681461 is an apocalyptic number.

It is an amenable number.

6681461 is a deficient number, since it is larger than the sum of its proper divisors (215563).

6681461 is a wasteful number, since it uses less digits than its factorization.

6681461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215562.

The product of its digits is 6912, while the sum is 32.

The square root of 6681461 is about 2584.8522201472. The cubic root of 6681461 is about 188.3463229265.

The spelling of 6681461 in words is "six million, six hundred eighty-one thousand, four hundred sixty-one".