105500039 has 2 divisors, whose sum is σ = 105500040. Its totient is φ = 105500038.

The previous prime is 105500033. The next prime is 105500047. The reversal of 105500039 is 930005501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105500039 - 2⁴ = 105500023 is a prime.

It is a super-2 number, since 2×105500039² = 22260516458003042, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 105499987 and 105500023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105500033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52750019 + 52750020.

It is an arithmetic number, because the mean of its divisors is an integer number (52750020).

Almost surely, 2^105500039 is an apocalyptic number.

105500039 is a deficient number, since it is larger than the sum of its proper divisors (1).

105500039 is an equidigital number, since it uses as much as digits as its factorization.

105500039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 105500039 is about 10271.3211905772. The cubic root of 105500039 is about 472.5171110700.

The spelling of 105500039 in words is "one hundred five million, five hundred thousand, thirty-nine".