79055213 has 2 divisors, whose sum is σ = 79055214. Its totient is φ = 79055212.

The previous prime is 79055191. The next prime is 79055293. The reversal of 79055213 is 31255097.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63712324 + 15342889 = 7982^2 + 3917^2 .

It is an emirp because it is prime and its reverse (31255097) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79055213 - 2⁶ = 79055149 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79055213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79055293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39527606 + 39527607.

It is an arithmetic number, because the mean of its divisors is an integer number (39527607).

Almost surely, 2^79055213 is an apocalyptic number.

It is an amenable number.

79055213 is a deficient number, since it is larger than the sum of its proper divisors (1).

79055213 is an equidigital number, since it uses as much as digits as its factorization.

79055213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 79055213 is about 8891.2998487285. The cubic root of 79055213 is about 429.1839815220.

The spelling of 79055213 in words is "seventy-nine million, fifty-five thousand, two hundred thirteen".