105424439 has 2 divisors, whose sum is σ = 105424440. Its totient is φ = 105424438.

The previous prime is 105424399. The next prime is 105424453. The reversal of 105424439 is 934424501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105424439 - 2⁸ = 105424183 is a prime.

It is a super-2 number, since 2×105424439² = 22228624676929442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105424139) 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, 52712219 + 52712220.

It is an arithmetic number, because the mean of its divisors is an integer number (52712220).

Almost surely, 2^105424439 is an apocalyptic number.

105424439 is a deficient number, since it is larger than the sum of its proper divisors (1).

105424439 is an equidigital number, since it uses as much as digits as its factorization.

105424439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 105424439 is about 10267.6403813145. The cubic root of 105424439 is about 472.4042174950.

The spelling of 105424439 in words is "one hundred five million, four hundred twenty-four thousand, four hundred thirty-nine".