65285271 has 10 divisors (see below), whose sum is σ = 97525032. Its totient is φ = 43523460.

The previous prime is 65285251. The next prime is 65285317. The reversal of 65285271 is 17258256.

It is a happy number.

It is not a de Polignac number, because 65285271 - 2¹⁵ = 65252503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65285251) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 402915 + ... + 403076.

Almost surely, 2^65285271 is an apocalyptic number.

65285271 is a deficient number, since it is larger than the sum of its proper divisors (32239761).

65285271 is an equidigital number, since it uses as much as digits as its factorization.

65285271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806003 (or 805994 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 65285271 is about 8079.9301358366. The cubic root of 65285271 is about 402.6599207634.

It can be divided in two parts, 65285 and 271, that added together give a palindrome (65556).

The spelling of 65285271 in words is "sixty-five million, two hundred eighty-five thousand, two hundred seventy-one".