39645325 has 12 divisors (see below), whose sum is σ = 50089428. Its totient is φ = 31116800.

The previous prime is 39645313. The next prime is 39645329. The reversal of 39645325 is 52354693.

39645325 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 6 ways, for example, as 68644 + 39576681 = 262^2 + 6291^2 .

It is not a de Polignac number, because 39645325 - 2¹¹ = 39643277 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 (39645329) 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 11 ways as a sum of consecutive naturals, for example, 13636 + ... + 16285.

It is an arithmetic number, because the mean of its divisors is an integer number (4174119).

Almost surely, 2^39645325 is an apocalyptic number.

It is an amenable number.

39645325 is a deficient number, since it is larger than the sum of its proper divisors (10444103).

39645325 is a wasteful number, since it uses less digits than its factorization.

39645325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29984 (or 29979 counting only the distinct ones).

The product of its digits is 97200, while the sum is 37.

The square root of 39645325 is about 6296.4533667772. The cubic root of 39645325 is about 340.9813774255.

The spelling of 39645325 in words is "thirty-nine million, six hundred forty-five thousand, three hundred twenty-five".