85184017 has 2 divisors, whose sum is σ = 85184018. Its totient is φ = 85184016.

The previous prime is 85183981. The next prime is 85184039. The reversal of 85184017 is 71048158.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48108096 + 37075921 = 6936^2 + 6089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85184017 is a prime.

It is equal to p_4953742 and since 85184017 and 4953742 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (85184417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42592008 + 42592009.

It is an arithmetic number, because the mean of its divisors is an integer number (42592009).

Almost surely, 2^85184017 is an apocalyptic number.

It is an amenable number.

85184017 is a deficient number, since it is larger than the sum of its proper divisors (1).

85184017 is an equidigital number, since it uses as much as digits as its factorization.

85184017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 85184017 is about 9229.5187848555. The cubic root of 85184017 is about 440.0000292700. Note that the first 4 decimals are identical.

The spelling of 85184017 in words is "eighty-five million, one hundred eighty-four thousand, seventeen".