64085171 has 2 divisors, whose sum is σ = 64085172. Its totient is φ = 64085170.

The previous prime is 64085159. The next prime is 64085183. The reversal of 64085171 is 17158046.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (64085159) and next prime (64085183).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64085171 is a prime.

It is not a weakly prime, because it can be changed into another prime (64085101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32042585 + 32042586.

It is an arithmetic number, because the mean of its divisors is an integer number (32042586).

Almost surely, 2^64085171 is an apocalyptic number.

64085171 is a deficient number, since it is larger than the sum of its proper divisors (1).

64085171 is an equidigital number, since it uses as much as digits as its factorization.

64085171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 64085171 is about 8005.3214176571. The cubic root of 64085171 is about 400.1773609295.

The spelling of 64085171 in words is "sixty-four million, eighty-five thousand, one hundred seventy-one".