105425939 has 4 divisors (see below), whose sum is σ = 105925800. Its totient is φ = 104926080.

The previous prime is 105425909. The next prime is 105425941. The reversal of 105425939 is 939524501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 105425939 - 2¹⁶ = 105360403 is a prime.

It is a super-2 number, since 2×105425939² = 22229257228063442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105425909) 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 in 3 ways as a sum of consecutive naturals, for example, 249614 + ... + 250035.

It is an arithmetic number, because the mean of its divisors is an integer number (26481450).

Almost surely, 2^105425939 is an apocalyptic number.

105425939 is a deficient number, since it is larger than the sum of its proper divisors (499861).

105425939 is an equidigital number, since it uses as much as digits as its factorization.

105425939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499860.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 105425939 is about 10267.7134260750. The cubic root of 105425939 is about 472.4064579716.

The spelling of 105425939 in words is "one hundred five million, four hundred twenty-five thousand, nine hundred thirty-nine".