6811357 has 4 divisors (see below), whose sum is σ = 7784416. Its totient is φ = 5838300.

The previous prime is 6811333. The next prime is 6811361. The reversal of 6811357 is 7531186.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6811357 - 2¹⁵ = 6778589 is a prime.

It is a Duffinian number.

6811357 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6811327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486519 + ... + 486532.

It is an arithmetic number, because the mean of its divisors is an integer number (1946104).

Almost surely, 2^6811357 is an apocalyptic number.

It is an amenable number.

6811357 is a deficient number, since it is larger than the sum of its proper divisors (973059).

6811357 is an equidigital number, since it uses as much as digits as its factorization.

6811357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973058.

The product of its digits is 5040, while the sum is 31.

The square root of 6811357 is about 2609.8576589538. The cubic root of 6811357 is about 189.5590605911.

The spelling of 6811357 in words is "six million, eight hundred eleven thousand, three hundred fifty-seven".