8452217 has 2 divisors, whose sum is σ = 8452218. Its totient is φ = 8452216.

The previous prime is 8452211. The next prime is 8452229. The reversal of 8452217 is 7122548.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4932841 + 3519376 = 2221^2 + 1876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8452217 is a prime.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 8452217 parts by 4111 straight cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 8452217.

It is not a weakly prime, because it can be changed into another prime (8452211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4226108 + 4226109.

It is an arithmetic number, because the mean of its divisors is an integer number (4226109).

Almost surely, 2^8452217 is an apocalyptic number.

It is an amenable number.

8452217 is a deficient number, since it is larger than the sum of its proper divisors (1).

8452217 is an equidigital number, since it uses as much as digits as its factorization.

8452217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 29.

The square root of 8452217 is about 2907.2696813333. The cubic root of 8452217 is about 203.6996171861.

The spelling of 8452217 in words is "eight million, four hundred fifty-two thousand, two hundred seventeen".