65253511 has 8 divisors (see below), whose sum is σ = 66720240. Its totient is φ = 63801408.

The previous prime is 65253491. The next prime is 65253541. The reversal of 65253511 is 11535256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65253511 - 2⁵ = 65253479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65253511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65253541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5625 + ... + 12733.

It is an arithmetic number, because the mean of its divisors is an integer number (8340030).

Almost surely, 2^65253511 is an apocalyptic number.

65253511 is a deficient number, since it is larger than the sum of its proper divisors (1466729).

65253511 is a wasteful number, since it uses less digits than its factorization.

65253511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7313.

The product of its digits is 4500, while the sum is 28.

The square root of 65253511 is about 8077.9645332225. The cubic root of 65253511 is about 402.5946147955.

Adding to 65253511 its reverse (11535256), we get a palindrome (76788767).

The spelling of 65253511 in words is "sixty-five million, two hundred fifty-three thousand, five hundred eleven".