39875105 has 4 divisors (see below), whose sum is σ = 47850132. Its totient is φ = 31900080.

The previous prime is 39875093. The next prime is 39875107. The reversal of 39875105 is 50157893.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16613776 + 23261329 = 4076^2 + 4823^2 .

It is not a de Polignac number, because 39875105 - 2⁶ = 39875041 is a prime.

It is a super-2 number, since 2×39875105² = 3180047997522050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39875107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3987506 + ... + 3987515.

It is an arithmetic number, because the mean of its divisors is an integer number (11962533).

Almost surely, 2^39875105 is an apocalyptic number.

It is an amenable number.

39875105 is a deficient number, since it is larger than the sum of its proper divisors (7975027).

39875105 is an equidigital number, since it uses as much as digits as its factorization.

39875105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7975026.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 39875105 is about 6314.6737841317. The cubic root of 39875105 is about 341.6388724829.

The spelling of 39875105 in words is "thirty-nine million, eight hundred seventy-five thousand, one hundred five".