6841581 has 8 divisors (see below), whose sum is σ = 9276960. Its totient is φ = 4483632.

The previous prime is 6841573. The next prime is 6841609. The reversal of 6841581 is 1851486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6841581 - 2³ = 6841573 is a prime.

It is a super-2 number, since 2×6841581² = 93614461159122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6841561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19150 + ... + 19503.

It is an arithmetic number, because the mean of its divisors is an integer number (1159620).

Almost surely, 2^6841581 is an apocalyptic number.

It is an amenable number.

6841581 is a deficient number, since it is larger than the sum of its proper divisors (2435379).

6841581 is a wasteful number, since it uses less digits than its factorization.

6841581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38715.

The product of its digits is 7680, while the sum is 33.

The square root of 6841581 is about 2615.6416038900. The cubic root of 6841581 is about 189.8390233933.

The spelling of 6841581 in words is "six million, eight hundred forty-one thousand, five hundred eighty-one".