65545241 has 4 divisors (see below), whose sum is σ = 67316772. Its totient is φ = 63773712.

The previous prime is 65545237. The next prime is 65545243. The reversal of 65545241 is 14254556.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58675600 + 6869641 = 7660^2 + 2621^2 .

It is a cyclic number.

It is not a de Polignac number, because 65545241 - 2² = 65545237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65545198 and 65545207.

It is not an unprimeable number, because it can be changed into a prime (65545243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885710 + ... + 885783.

It is an arithmetic number, because the mean of its divisors is an integer number (16829193).

Almost surely, 2^65545241 is an apocalyptic number.

It is an amenable number.

65545241 is a deficient number, since it is larger than the sum of its proper divisors (1771531).

65545241 is a wasteful number, since it uses less digits than its factorization.

65545241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771530.

The product of its digits is 24000, while the sum is 32.

The square root of 65545241 is about 8096.0015439722. The cubic root of 65545241 is about 403.1936851578.

Adding to 65545241 its reverse (14254556), we get a palindrome (79799797).

The spelling of 65545241 in words is "sixty-five million, five hundred forty-five thousand, two hundred forty-one".