4065541241 has 4 divisors (see below), whose sum is σ = 4175420772. Its totient is φ = 3955661712.

The previous prime is 4065541229. The next prime is 4065541247. The reversal of 4065541241 is 1421455604.

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 1782612841 + 2282928400 = 42221^2 + 47780^2 .

It is not a de Polignac number, because 4065541241 - 2¹⁰ = 4065540217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4065541198 and 4065541207.

It is not an unprimeable number, because it can be changed into a prime (4065541247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54939710 + ... + 54939783.

It is an arithmetic number, because the mean of its divisors is an integer number (1043855193).

Almost surely, 2^4065541241 is an apocalyptic number.

It is an amenable number.

4065541241 is a deficient number, since it is larger than the sum of its proper divisors (109879531).

4065541241 is a wasteful number, since it uses less digits than its factorization.

4065541241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109879530.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 4065541241 is about 63761.5969138164. The cubic root of 4065541241 is about 1596.0241442957.

Adding to 4065541241 its reverse (1421455604), we get a palindrome (5486996845).

The spelling of 4065541241 in words is "four billion, sixty-five million, five hundred forty-one thousand, two hundred forty-one".