85024171 has 2 divisors, whose sum is σ = 85024172. Its totient is φ = 85024170.

The previous prime is 85024141. The next prime is 85024217. The reversal of 85024171 is 17142058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85024171 - 2²⁵ = 51469739 is a prime.

It is not a weakly prime, because it can be changed into another prime (85024141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42512085 + 42512086.

It is an arithmetic number, because the mean of its divisors is an integer number (42512086).

Almost surely, 2^85024171 is an apocalyptic number.

85024171 is a deficient number, since it is larger than the sum of its proper divisors (1).

85024171 is an equidigital number, since it uses as much as digits as its factorization.

85024171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 85024171 is about 9220.8552206398. The cubic root of 85024171 is about 439.7246400385.

The spelling of 85024171 in words is "eighty-five million, twenty-four thousand, one hundred seventy-one".