65500253 has 16 divisors (see below), whose sum is σ = 81043200. Its totient is φ = 51549696.

The previous prime is 65500219. The next prime is 65500273. The reversal of 65500253 is 35200556.

It is a cyclic number.

It is not a de Polignac number, because 65500253 - 2⁶ = 65500189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65500273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16301 + ... + 19917.

It is an arithmetic number, because the mean of its divisors is an integer number (5065200).

Almost surely, 2^65500253 is an apocalyptic number.

It is an amenable number.

65500253 is a deficient number, since it is larger than the sum of its proper divisors (15542947).

65500253 is a wasteful number, since it uses less digits than its factorization.

65500253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3836.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 65500253 is about 8093.2226584964. Note that the first 3 decimals coincide. The cubic root of 65500253 is about 403.1014179503.

The spelling of 65500253 in words is "sixty-five million, five hundred thousand, two hundred fifty-three".