8113217 has 4 divisors (see below), whose sum is σ = 9272256. Its totient is φ = 6954180.

The previous prime is 8113213. The next prime is 8113271. The reversal of 8113217 is 7123118.

It is a happy number.

8113217 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 8113217 - 2² = 8113213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8113192 and 8113201.

It is not an unprimeable number, because it can be changed into a prime (8113211) 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, 579509 + ... + 579522.

It is an arithmetic number, because the mean of its divisors is an integer number (2318064).

Almost surely, 2^8113217 is an apocalyptic number.

It is an amenable number.

8113217 is a deficient number, since it is larger than the sum of its proper divisors (1159039).

8113217 is a wasteful number, since it uses less digits than its factorization.

8113217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159038.

The product of its digits is 336, while the sum is 23.

The square root of 8113217 is about 2848.3709379222. The cubic root of 8113217 is about 200.9390589408.

Subtracting from 8113217 its reverse (7123118), we obtain a palindrome (990099).

The spelling of 8113217 in words is "eight million, one hundred thirteen thousand, two hundred seventeen".