79549 has 2 divisors, whose sum is σ = 79550. Its totient is φ = 79548.

The previous prime is 79537. The next prime is 79559. The reversal of 79549 is 94597.

79549 is nontrivially palindromic in base 6.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79524 + 25 = 282^2 + 5^2 .

It is an emirp because it is prime and its reverse (94597) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79549 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79559) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39774 + 39775.

It is an arithmetic number, because the mean of its divisors is an integer number (39775).

2⁷⁹⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

79549 is a deficient number, since it is larger than the sum of its proper divisors (1).

79549 is an equidigital number, since it uses as much as digits as its factorization.

79549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 34.

The square root of 79549 is about 282.0443227580. The cubic root of 79549 is about 43.0075703275.

The spelling of 79549 in words is "seventy-nine thousand, five hundred forty-nine".