79195213 has 2 divisors, whose sum is σ = 79195214. Its totient is φ = 79195212.

The previous prime is 79195153. The next prime is 79195219. The reversal of 79195213 is 31259197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58782889 + 20412324 = 7667^2 + 4518^2 .

It is a cyclic number.

It is not a de Polignac number, because 79195213 - 2²¹ = 77098061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79195219) 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, 39597606 + 39597607.

It is an arithmetic number, because the mean of its divisors is an integer number (39597607).

Almost surely, 2^79195213 is an apocalyptic number.

It is an amenable number.

79195213 is a deficient number, since it is larger than the sum of its proper divisors (1).

79195213 is an equidigital number, since it uses as much as digits as its factorization.

79195213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17010, while the sum is 37.

The square root of 79195213 is about 8899.1692308889. The cubic root of 79195213 is about 429.4371814527.

The spelling of 79195213 in words is "seventy-nine million, one hundred ninety-five thousand, two hundred thirteen".