8191153 has 4 divisors (see below), whose sum is σ = 8197488. Its totient is φ = 8184820.

The previous prime is 8191133. The next prime is 8191181. The reversal of 8191153 is 3511918.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3511918 = 2 ⋅1755959.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8191153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8191123) 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, 451 + ... + 4072.

It is an arithmetic number, because the mean of its divisors is an integer number (2049372).

Almost surely, 2^8191153 is an apocalyptic number.

It is an amenable number.

8191153 is a deficient number, since it is larger than the sum of its proper divisors (6335).

8191153 is a wasteful number, since it uses less digits than its factorization.

8191153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6334.

The product of its digits is 1080, while the sum is 28.

The square root of 8191153 is about 2862.0190425642. The cubic root of 8191153 is about 201.5804201322.

The spelling of 8191153 in words is "eight million, one hundred ninety-one thousand, one hundred fifty-three".