113281873 has 2 divisors, whose sum is σ = 113281874. Its totient is φ = 113281872.

The previous prime is 113281837. The next prime is 113281907. The reversal of 113281873 is 378182311.

Together with previous prime (113281837) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (113281907) can be obtained adding 113281873 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65561409 + 47720464 = 8097^2 + 6908^2 .

It is a cyclic number.

It is not a de Polignac number, because 113281873 - 2⁹ = 113281361 is a prime.

It is not a weakly prime, because it can be changed into another prime (113281673) 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, 56640936 + 56640937.

It is an arithmetic number, because the mean of its divisors is an integer number (56640937).

Almost surely, 2^113281873 is an apocalyptic number.

It is an amenable number.

113281873 is a deficient number, since it is larger than the sum of its proper divisors (1).

113281873 is an equidigital number, since it uses as much as digits as its factorization.

113281873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 34.

The square root of 113281873 is about 10643.3957457195. The cubic root of 113281873 is about 483.8604670860.

The spelling of 113281873 in words is "one hundred thirteen million, two hundred eighty-one thousand, eight hundred seventy-three".