65505242 has 16 divisors (see below), whose sum is σ = 111851712. Its totient is φ = 28480320.

The previous prime is 65505241. The next prime is 65505247. The reversal of 65505242 is 24250556.

It is not an unprimeable number, because it can be changed into a prime (65505241) 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 7 ways as a sum of consecutive naturals, for example, 64223 + ... + 65234.

It is an arithmetic number, because the mean of its divisors is an integer number (6990732).

Almost surely, 2^65505242 is an apocalyptic number.

65505242 is a deficient number, since it is larger than the sum of its proper divisors (46346470).

65505242 is a wasteful number, since it uses less digits than its factorization.

65505242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129493.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 65505242 is about 8093.5308734816. The cubic root of 65505242 is about 403.1116521190. Note that the first 3 decimals are identical.

Adding to 65505242 its reverse (24250556), we get a palindrome (89755798).

The spelling of 65505242 in words is "sixty-five million, five hundred five thousand, two hundred forty-two".