113566279 has 2 divisors, whose sum is σ = 113566280. Its totient is φ = 113566278.

The previous prime is 113566253. The next prime is 113566289. The reversal of 113566279 is 972665311.

It is a strong prime.

It is an emirp because it is prime and its reverse (972665311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113566279 - 2²³ = 105177671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113566289) 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, 56783139 + 56783140.

It is an arithmetic number, because the mean of its divisors is an integer number (56783140).

Almost surely, 2^113566279 is an apocalyptic number.

113566279 is a deficient number, since it is larger than the sum of its proper divisors (1).

113566279 is an equidigital number, since it uses as much as digits as its factorization.

113566279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 40.

The square root of 113566279 is about 10656.7480499447. The cubic root of 113566279 is about 484.2650561373.

The spelling of 113566279 in words is "one hundred thirteen million, five hundred sixty-six thousand, two hundred seventy-nine".