65382171 has 16 divisors (see below), whose sum is σ = 89169024. Its totient is φ = 42603264.

The previous prime is 65382143. The next prime is 65382181. The reversal of 65382171 is 17128356.

It is not a de Polignac number, because 65382171 - 2⁷ = 65382043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65382101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22800 + ... + 25506.

It is an arithmetic number, because the mean of its divisors is an integer number (5573064).

Almost surely, 2^65382171 is an apocalyptic number.

65382171 is a deficient number, since it is larger than the sum of its proper divisors (23786853).

65382171 is a wasteful number, since it uses less digits than its factorization.

65382171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890.

The product of its digits is 10080, while the sum is 33.

The square root of 65382171 is about 8085.9242514384. The cubic root of 65382171 is about 402.8590389694.

The spelling of 65382171 in words is "sixty-five million, three hundred eighty-two thousand, one hundred seventy-one".