79909241 has 2 divisors, whose sum is σ = 79909242. Its totient is φ = 79909240.

The previous prime is 79909201. The next prime is 79909253. The reversal of 79909241 is 14290997.

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., 46512400 + 33396841 = 6820^2 + 5779^2 .

It is a cyclic number.

It is not a de Polignac number, because 79909241 - 2⁶ = 79909177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79909201) 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, 39954620 + 39954621.

It is an arithmetic number, because the mean of its divisors is an integer number (39954621).

Almost surely, 2^79909241 is an apocalyptic number.

It is an amenable number.

79909241 is a deficient number, since it is larger than the sum of its proper divisors (1).

79909241 is an equidigital number, since it uses as much as digits as its factorization.

79909241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 79909241 is about 8939.1968878641. The cubic root of 79909241 is about 430.7239310660.

The spelling of 79909241 in words is "seventy-nine million, nine hundred nine thousand, two hundred forty-one".