8113291 has 4 divisors (see below), whose sum is σ = 8171800. Its totient is φ = 8054784.

The previous prime is 8113279. The next prime is 8113297. The reversal of 8113291 is 1923118.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8113291 - 2⁷ = 8113163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8113297) 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, 29046 + ... + 29323.

It is an arithmetic number, because the mean of its divisors is an integer number (2042950).

Almost surely, 2^8113291 is an apocalyptic number.

8113291 is a deficient number, since it is larger than the sum of its proper divisors (58509).

8113291 is a wasteful number, since it uses less digits than its factorization.

8113291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58508.

The product of its digits is 432, while the sum is 25.

The square root of 8113291 is about 2848.3839277738. The cubic root of 8113291 is about 200.9396698552.

The spelling of 8113291 in words is "eight million, one hundred thirteen thousand, two hundred ninety-one".