39959125 has 8 divisors (see below), whose sum is σ = 49869144. Its totient is φ = 31967200.

The previous prime is 39959123. The next prime is 39959141. The reversal of 39959125 is 52195993.

39959125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 306916 + 39652209 = 554^2 + 6297^2 .

It is not a de Polignac number, because 39959125 - 2¹ = 39959123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39959123) 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 in 7 ways as a sum of consecutive naturals, for example, 159712 + ... + 159961.

It is an arithmetic number, because the mean of its divisors is an integer number (6233643).

Almost surely, 2^39959125 is an apocalyptic number.

It is an amenable number.

39959125 is a deficient number, since it is larger than the sum of its proper divisors (9910019).

39959125 is an equidigital number, since it uses as much as digits as its factorization.

39959125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319688 (or 319678 counting only the distinct ones).

The product of its digits is 109350, while the sum is 43.

The square root of 39959125 is about 6321.3230418956. The cubic root of 39959125 is about 341.8786575213.

The spelling of 39959125 in words is "thirty-nine million, nine hundred fifty-nine thousand, one hundred twenty-five".