3551440241 has 2 divisors, whose sum is σ = 3551440242. Its totient is φ = 3551440240.

The previous prime is 3551440237. The next prime is 3551440331. The reversal of 3551440241 is 1420441553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2722230625 + 829209616 = 52175^2 + 28796^2 .

It is an emirp because it is prime and its reverse (1420441553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3551440241 - 2² = 3551440237 is a prime.

It is a super-2 number, since 2×3551440241² = 25225455570788276162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3551440201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1775720120 + 1775720121.

It is an arithmetic number, because the mean of its divisors is an integer number (1775720121).

Almost surely, 2^3551440241 is an apocalyptic number.

It is an amenable number.

3551440241 is a deficient number, since it is larger than the sum of its proper divisors (1).

3551440241 is an equidigital number, since it uses as much as digits as its factorization.

3551440241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 3551440241 is about 59593.9614474487. The cubic root of 3551440241 is about 1525.6965720060.

Adding to 3551440241 its reverse (1420441553), we get a palindrome (4971881794).

The spelling of 3551440241 in words is "three billion, five hundred fifty-one million, four hundred forty thousand, two hundred forty-one".