6891153 has 4 divisors (see below), whose sum is σ = 9188208. Its totient is φ = 4594100.

The previous prime is 6891149. The next prime is 6891161. The reversal of 6891153 is 3511986.

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 6891153 - 2² = 6891149 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (6891133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148523 + ... + 1148528.

It is an arithmetic number, because the mean of its divisors is an integer number (2297052).

Almost surely, 2^6891153 is an apocalyptic number.

It is an amenable number.

6891153 is a deficient number, since it is larger than the sum of its proper divisors (2297055).

6891153 is a wasteful number, since it uses less digits than its factorization.

6891153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297054.

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

The square root of 6891153 is about 2625.1005695021. The cubic root of 6891153 is about 190.2964255690.

The spelling of 6891153 in words is "six million, eight hundred ninety-one thousand, one hundred fifty-three".