79312241 has 2 divisors, whose sum is σ = 79312242. Its totient is φ = 79312240.

The previous prime is 79312199. The next prime is 79312243. The reversal of 79312241 is 14221397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44502241 + 34810000 = 6671^2 + 5900^2 .

It is a cyclic number.

It is not a de Polignac number, because 79312241 - 2¹⁰ = 79311217 is a prime.

Together with 79312243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79312243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39656120 + 39656121.

It is an arithmetic number, because the mean of its divisors is an integer number (39656121).

Almost surely, 2^79312241 is an apocalyptic number.

It is an amenable number.

79312241 is a deficient number, since it is larger than the sum of its proper divisors (1).

79312241 is an equidigital number, since it uses as much as digits as its factorization.

79312241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 79312241 is about 8905.7420241101. The cubic root of 79312241 is about 429.6486060161.

The spelling of 79312241 in words is "seventy-nine million, three hundred twelve thousand, two hundred forty-one".