797441137 has 2 divisors, whose sum is σ = 797441138. Its totient is φ = 797441136.

The previous prime is 797441081. The next prime is 797441143. The reversal of 797441137 is 731144797.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 797441121 + 16 = 28239^2 + 4^2 .

It is an emirp because it is prime and its reverse (731144797) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 797441137 - 2¹¹ = 797439089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 797441093 and 797441102.

It is not a weakly prime, because it can be changed into another prime (797421137) 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, 398720568 + 398720569.

It is an arithmetic number, because the mean of its divisors is an integer number (398720569).

Almost surely, 2^797441137 is an apocalyptic number.

It is an amenable number.

797441137 is a deficient number, since it is larger than the sum of its proper divisors (1).

797441137 is an equidigital number, since it uses as much as digits as its factorization.

797441137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 148176, while the sum is 43.

The square root of 797441137 is about 28239.0002832961. Note that the first 3 decimals coincide. The cubic root of 797441137 is about 927.3269437347.

The spelling of 797441137 in words is "seven hundred ninety-seven million, four hundred forty-one thousand, one hundred thirty-seven".