6801219 has 8 divisors (see below), whose sum is σ = 10075920. Its totient is φ = 4534128.

The previous prime is 6801217. The next prime is 6801227. The reversal of 6801219 is 9121086.

It is not a de Polignac number, because 6801219 - 2¹ = 6801217 is a prime.

It is a super-2 number, since 2×6801219² = 92513159771922, 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: 251897 = 6801219 / (6 + 8 + 0 + 1 + 2 + 1 + 9).

It is a junction number, because it is equal to n+sod(n) for n = 6801192 and 6801201.

It is not an unprimeable number, because it can be changed into a prime (6801211) 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 7 ways as a sum of consecutive naturals, for example, 125922 + ... + 125975.

It is an arithmetic number, because the mean of its divisors is an integer number (1259490).

Almost surely, 2^6801219 is an apocalyptic number.

6801219 is a deficient number, since it is larger than the sum of its proper divisors (3274701).

6801219 is a wasteful number, since it uses less digits than its factorization.

6801219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251906 (or 251900 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 6801219 is about 2607.9146841873. The cubic root of 6801219 is about 189.4649675449.

The spelling of 6801219 in words is "six million, eight hundred one thousand, two hundred nineteen".