65244165 has 32 divisors (see below), whose sum is σ = 119997696. Its totient is φ = 29652480.

The previous prime is 65244163. The next prime is 65244167. The reversal of 65244165 is 56144256.

It is an interprime number because it is at equal distance from previous prime (65244163) and next prime (65244167).

It is not a de Polignac number, because 65244165 - 2¹ = 65244163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65244163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17289 + ... + 20721.

It is an arithmetic number, because the mean of its divisors is an integer number (3749928).

Almost surely, 2^65244165 is an apocalyptic number.

It is an amenable number.

65244165 is a deficient number, since it is larger than the sum of its proper divisors (54753531).

65244165 is a wasteful number, since it uses less digits than its factorization.

65244165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3629.

The product of its digits is 28800, while the sum is 33.

The square root of 65244165 is about 8077.3860251940. The cubic root of 65244165 is about 402.5753932044.

Subtracting from 65244165 its reverse (56144256), we obtain a palindrome (9099909).

The spelling of 65244165 in words is "sixty-five million, two hundred forty-four thousand, one hundred sixty-five".