6801381 has 8 divisors (see below), whose sum is σ = 10076160. Its totient is φ = 4534236.

The previous prime is 6801329. The next prime is 6801383. The reversal of 6801381 is 1831086.

It is not a de Polignac number, because 6801381 - 2⁷ = 6801253 is a prime.

It is a super-2 number, since 2×6801381² = 92517567014322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 251903 = 6801381 / (6 + 8 + 0 + 1 + 3 + 8 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6801383) 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, 125925 + ... + 125978.

It is an arithmetic number, because the mean of its divisors is an integer number (1259520).

Almost surely, 2^6801381 is an apocalyptic number.

It is an amenable number.

6801381 is a deficient number, since it is larger than the sum of its proper divisors (3274779).

6801381 is a wasteful number, since it uses less digits than its factorization.

6801381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251912 (or 251906 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 6801381 is about 2607.9457433007. The cubic root of 6801381 is about 189.4664718380.

The spelling of 6801381 in words is "six million, eight hundred one thousand, three hundred eighty-one".