8055217 has 4 divisors (see below), whose sum is σ = 8061300. Its totient is φ = 8049136.

The previous prime is 8055197. The next prime is 8055227. The reversal of 8055217 is 7125508.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6230016 + 1825201 = 2496^2 + 1351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8055217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8055227) 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, 118 + ... + 4015.

It is an arithmetic number, because the mean of its divisors is an integer number (2015325).

Almost surely, 2^8055217 is an apocalyptic number.

It is an amenable number.

8055217 is a deficient number, since it is larger than the sum of its proper divisors (6083).

8055217 is a wasteful number, since it uses less digits than its factorization.

8055217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6082.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 8055217 is about 2838.1714183608. The cubic root of 8055217 is about 200.4590870557.

The spelling of 8055217 in words is "eight million, fifty-five thousand, two hundred seventeen".