641041301 has 2 divisors, whose sum is σ = 641041302. Its totient is φ = 641041300.

The previous prime is 641041283. The next prime is 641041309. The reversal of 641041301 is 103140146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 616528900 + 24512401 = 24830^2 + 4951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-641041301 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (641041309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320520650 + 320520651.

It is an arithmetic number, because the mean of its divisors is an integer number (320520651).

Almost surely, 2^641041301 is an apocalyptic number.

It is an amenable number.

641041301 is a deficient number, since it is larger than the sum of its proper divisors (1).

641041301 is an equidigital number, since it uses as much as digits as its factorization.

641041301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 641041301 is about 25318.7934349171. The cubic root of 641041301 is about 862.2410008862.

Adding to 641041301 its reverse (103140146), we get a palindrome (744181447).

The spelling of 641041301 in words is "six hundred forty-one million, forty-one thousand, three hundred one".