79135061 has 2 divisors, whose sum is σ = 79135062. Its totient is φ = 79135060.

The previous prime is 79135039. The next prime is 79135079. The reversal of 79135061 is 16053197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43970161 + 35164900 = 6631^2 + 5930^2 .

It is a cyclic number.

It is not a de Polignac number, because 79135061 - 2¹⁸ = 78872917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79135081) 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, 39567530 + 39567531.

It is an arithmetic number, because the mean of its divisors is an integer number (39567531).

Almost surely, 2^79135061 is an apocalyptic number.

It is an amenable number.

79135061 is a deficient number, since it is larger than the sum of its proper divisors (1).

79135061 is an equidigital number, since it uses as much as digits as its factorization.

79135061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 79135061 is about 8895.7889475864. The cubic root of 79135061 is about 429.3284288857.

The spelling of 79135061 in words is "seventy-nine million, one hundred thirty-five thousand, sixty-one".