797549 has 2 divisors, whose sum is σ = 797550. Its totient is φ = 797548.

The previous prime is 797539. The next prime is 797551. The reversal of 797549 is 945797.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 797449 + 100 = 893^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 797549 - 2¹² = 793453 is a prime.

Together with 797551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398774 + 398775.

It is an arithmetic number, because the mean of its divisors is an integer number (398775).

2⁷⁹⁷⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

797549 is a deficient number, since it is larger than the sum of its proper divisors (1).

797549 is an equidigital number, since it uses as much as digits as its factorization.

797549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 41.

The square root of 797549 is about 893.0559892862. The cubic root of 797549 is about 92.7368752362.

The spelling of 797549 in words is "seven hundred ninety-seven thousand, five hundred forty-nine".