79995313 has 2 divisors, whose sum is σ = 79995314. Its totient is φ = 79995312.

The previous prime is 79995287. The next prime is 79995323. The reversal of 79995313 is 31359997.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46621584 + 33373729 = 6828^2 + 5777^2 .

It is a cyclic number.

It is not a de Polignac number, because 79995313 - 2⁹ = 79994801 is a prime.

It is not a weakly prime, because it can be changed into another prime (79995323) 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, 39997656 + 39997657.

It is an arithmetic number, because the mean of its divisors is an integer number (39997657).

Almost surely, 2^79995313 is an apocalyptic number.

It is an amenable number.

79995313 is a deficient number, since it is larger than the sum of its proper divisors (1).

79995313 is an equidigital number, since it uses as much as digits as its factorization.

79995313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 229635, while the sum is 46.

The square root of 79995313 is about 8944.0098948961. The cubic root of 79995313 is about 430.8785229792.

It can be divided in two parts, 79995 and 313, that added together give a palindrome (80308).

The spelling of 79995313 in words is "seventy-nine million, nine hundred ninety-five thousand, three hundred thirteen".