6841381 has 2 divisors, whose sum is σ = 6841382. Its totient is φ = 6841380.

The previous prime is 6841379. The next prime is 6841397. The reversal of 6841381 is 1831486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4389025 + 2452356 = 2095^2 + 1566^2 .

It is a cyclic number.

It is not a de Polignac number, because 6841381 - 2¹ = 6841379 is a prime.

It is a super-2 number, since 2×6841381² = 93608987974322, which contains 22 as substring.

Together with 6841379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6841181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3420690 + 3420691.

It is an arithmetic number, because the mean of its divisors is an integer number (3420691).

Almost surely, 2^6841381 is an apocalyptic number.

It is an amenable number.

6841381 is a deficient number, since it is larger than the sum of its proper divisors (1).

6841381 is an equidigital number, since it uses as much as digits as its factorization.

6841381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 31.

The square root of 6841381 is about 2615.6033720731. The cubic root of 6841381 is about 189.8371735200.

The spelling of 6841381 in words is "six million, eight hundred forty-one thousand, three hundred eighty-one".