641103241 has 4 divisors (see below), whose sum is σ = 641249812. Its totient is φ = 640956672.

The previous prime is 641103191. The next prime is 641103271. The reversal of 641103241 is 142301146.

641103241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 254016 + 640849225 = 504^2 + 25315^2 .

It is a cyclic number.

It is not a de Polignac number, because 641103241 - 2⁹ = 641102729 is a prime.

It is a super-2 number, since 2×641103241² = 822026731241408162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641103271) 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, 66516 + ... + 75541.

It is an arithmetic number, because the mean of its divisors is an integer number (160312453).

Almost surely, 2^641103241 is an apocalyptic number.

It is an amenable number.

641103241 is a deficient number, since it is larger than the sum of its proper divisors (146571).

641103241 is a wasteful number, since it uses less digits than its factorization.

641103241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146570.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 641103241 is about 25320.0166074195. The cubic root of 641103241 is about 862.2687710613.

Adding to 641103241 its reverse (142301146), we get a palindrome (783404387).

The spelling of 641103241 in words is "six hundred forty-one million, one hundred three thousand, two hundred forty-one".