6811953 has 8 divisors (see below), whose sum is σ = 9210816. Its totient is φ = 4477200.

The previous prime is 6811949. The next prime is 6811967. The reversal of 6811953 is 3591186.

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

It is not a de Polignac number, because 6811953 - 2² = 6811949 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6811913) 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, 15778 + ... + 16203.

It is an arithmetic number, because the mean of its divisors is an integer number (1151352).

Almost surely, 2^6811953 is an apocalyptic number.

It is an amenable number.

6811953 is a deficient number, since it is larger than the sum of its proper divisors (2398863).

6811953 is a wasteful number, since it uses less digits than its factorization.

6811953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32055.

The product of its digits is 6480, while the sum is 33.

The square root of 6811953 is about 2609.9718389285. The cubic root of 6811953 is about 189.5645892939.

It can be divided in two parts, 68 and 11953, that added together give a palindrome (12021).

The spelling of 6811953 in words is "six million, eight hundred eleven thousand, nine hundred fifty-three".