42873113 has 2 divisors, whose sum is σ = 42873114. Its totient is φ = 42873112.

The previous prime is 42873109. The next prime is 42873203. The reversal of 42873113 is 31137824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40094224 + 2778889 = 6332^2 + 1667^2 .

It is a cyclic number.

It is not a de Polignac number, because 42873113 - 2² = 42873109 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42873613) 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, 21436556 + 21436557.

It is an arithmetic number, because the mean of its divisors is an integer number (21436557).

Almost surely, 2^42873113 is an apocalyptic number.

It is an amenable number.

42873113 is a deficient number, since it is larger than the sum of its proper divisors (1).

42873113 is an equidigital number, since it uses as much as digits as its factorization.

42873113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 42873113 is about 6547.7563332794. The cubic root of 42873113 is about 349.9948652308.

The spelling of 42873113 in words is "forty-two million, eight hundred seventy-three thousand, one hundred thirteen".