39487925 has 6 divisors (see below), whose sum is σ = 48965058. Its totient is φ = 31590320.

The previous prime is 39487919. The next prime is 39487949. The reversal of 39487925 is 52978493.

It is a happy number.

39487925 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 3 ways, for example, as 2630884 + 36857041 = 1622^2 + 6071^2 .

It is not a de Polignac number, because 39487925 - 2¹⁴ = 39471541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 39487925.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 789734 + ... + 789783.

It is an arithmetic number, because the mean of its divisors is an integer number (8160843).

Almost surely, 2^39487925 is an apocalyptic number.

It is an amenable number.

39487925 is a deficient number, since it is larger than the sum of its proper divisors (9477133).

39487925 is a wasteful number, since it uses less digits than its factorization.

39487925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579527 (or 1579522 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The square root of 39487925 is about 6283.9418361408. The cubic root of 39487925 is about 340.5295237837.

The spelling of 39487925 in words is "thirty-nine million, four hundred eighty-seven thousand, nine hundred twenty-five".