1797838541 has 2 divisors, whose sum is σ = 1797838542. Its totient is φ = 1797838540.

The previous prime is 1797838507. The next prime is 1797838571. The reversal of 1797838541 is 1458387971.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1428084100 + 369754441 = 37790^2 + 19229^2 .

It is an emirp because it is prime and its reverse (1458387971) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1797838541 - 2⁶ = 1797838477 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 (1797838571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 898919270 + 898919271.

It is an arithmetic number, because the mean of its divisors is an integer number (898919271).

Almost surely, 2^1797838541 is an apocalyptic number.

It is an amenable number.

1797838541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1797838541 is an equidigital number, since it uses as much as digits as its factorization.

1797838541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 53.

The square root of 1797838541 is about 42400.9261809220. The cubic root of 1797838541 is about 1215.9532992673.

The spelling of 1797838541 in words is "one billion, seven hundred ninety-seven million, eight hundred thirty-eight thousand, five hundred forty-one".