105005939 has 2 divisors, whose sum is σ = 105005940. Its totient is φ = 105005938.

The previous prime is 105005921. The next prime is 105005969. The reversal of 105005939 is 939500501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105005939 - 2¹⁶ = 104940403 is a prime.

It is a super-2 number, since 2×105005939² = 22052494450543442, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105005909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52502969 + 52502970.

It is an arithmetic number, because the mean of its divisors is an integer number (52502970).

Almost surely, 2^105005939 is an apocalyptic number.

105005939 is a deficient number, since it is larger than the sum of its proper divisors (1).

105005939 is an equidigital number, since it uses as much as digits as its factorization.

105005939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6075, while the sum is 32.

The square root of 105005939 is about 10247.2405553886. The cubic root of 105005939 is about 471.7782925892.

The spelling of 105005939 in words is "one hundred five million, five thousand, nine hundred thirty-nine".