853147417 has 2 divisors, whose sum is σ = 853147418. Its totient is φ = 853147416.

The previous prime is 853147319. The next prime is 853147439. The reversal of 853147417 is 714741358.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 624200256 + 228947161 = 24984^2 + 15131^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853147417 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 853147417.

It is not a weakly prime, because it can be changed into another prime (853147447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426573708 + 426573709.

It is an arithmetic number, because the mean of its divisors is an integer number (426573709).

Almost surely, 2^853147417 is an apocalyptic number.

It is an amenable number.

853147417 is a deficient number, since it is larger than the sum of its proper divisors (1).

853147417 is an equidigital number, since it uses as much as digits as its factorization.

853147417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 40.

The square root of 853147417 is about 29208.6873549634. The cubic root of 853147417 is about 948.4359923857.

The spelling of 853147417 in words is "eight hundred fifty-three million, one hundred forty-seven thousand, four hundred seventeen".