79318241 has 2 divisors, whose sum is σ = 79318242. Its totient is φ = 79318240.

The previous prime is 79318207. The next prime is 79318249. The reversal of 79318241 is 14281397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79210000 + 108241 = 8900^2 + 329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79318241 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (79318249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39659120 + 39659121.

It is an arithmetic number, because the mean of its divisors is an integer number (39659121).

Almost surely, 2^79318241 is an apocalyptic number.

It is an amenable number.

79318241 is a deficient number, since it is larger than the sum of its proper divisors (1).

79318241 is an equidigital number, since it uses as much as digits as its factorization.

79318241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 79318241 is about 8906.0788790578. The cubic root of 79318241 is about 429.6594401009.

The spelling of 79318241 in words is "seventy-nine million, three hundred eighteen thousand, two hundred forty-one".