39875125 has 8 divisors (see below), whose sum is σ = 49764312. Its totient is φ = 31900000.

The previous prime is 39875119. The next prime is 39875131. The reversal of 39875125 is 52157893.

It is an interprime number because it is at equal distance from previous prime (39875119) and next prime (39875131).

It can be written as a sum of positive squares in 4 ways, for example, as 8054244 + 31820881 = 2838^2 + 5641^2 .

It is not a de Polignac number, because 39875125 - 2⁵ = 39875093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 159376 + ... + 159625.

It is an arithmetic number, because the mean of its divisors is an integer number (6220539).

Almost surely, 2^39875125 is an apocalyptic number.

It is an amenable number.

39875125 is a deficient number, since it is larger than the sum of its proper divisors (9889187).

39875125 is an equidigital number, since it uses as much as digits as its factorization.

39875125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319016 (or 319006 counting only the distinct ones).

The product of its digits is 75600, while the sum is 40.

The square root of 39875125 is about 6314.6753677446. The cubic root of 39875125 is about 341.6389296011.

It can be divided in two parts, 39875 and 125, that added together give a square (40000 = 200²).

The spelling of 39875125 in words is "thirty-nine million, eight hundred seventy-five thousand, one hundred twenty-five".