113427289 has 2 divisors, whose sum is σ = 113427290. Its totient is φ = 113427288.

The previous prime is 113427229. The next prime is 113427313. The reversal of 113427289 is 982724311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106770889 + 6656400 = 10333^2 + 2580^2 .

It is an emirp because it is prime and its reverse (982724311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113427289 - 2¹⁷ = 113296217 is a prime.

It is a Chen prime.

It is equal to p_6488128 and since 113427289 and 6488128 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (113427229) 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, 56713644 + 56713645.

It is an arithmetic number, because the mean of its divisors is an integer number (56713645).

Almost surely, 2^113427289 is an apocalyptic number.

It is an amenable number.

113427289 is a deficient number, since it is larger than the sum of its proper divisors (1).

113427289 is an equidigital number, since it uses as much as digits as its factorization.

113427289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The square root of 113427289 is about 10650.2248333075. The cubic root of 113427289 is about 484.0674168436.

The spelling of 113427289 in words is "one hundred thirteen million, four hundred twenty-seven thousand, two hundred eighty-nine".