3925902725 has 12 divisors (see below), whose sum is σ = 4986855300. Its totient is φ = 3064118400.

The previous prime is 3925902719. The next prime is 3925902737. The reversal of 3925902725 is 5272095293.

It can be written as a sum of positive squares in 6 ways, for example, as 913429729 + 3012472996 = 30223^2 + 54886^2 .

It is not a de Polignac number, because 3925902725 - 2⁶ = 3925902661 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 1914050 + ... + 1916099.

It is an arithmetic number, because the mean of its divisors is an integer number (415571275).

Almost surely, 2^3925902725 is an apocalyptic number.

It is an amenable number.

3925902725 is a deficient number, since it is larger than the sum of its proper divisors (1060952575).

3925902725 is a wasteful number, since it uses less digits than its factorization.

3925902725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830200 (or 3830195 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 3925902725 is about 62657.0245463348. The cubic root of 3925902725 is about 1577.5380561325.

The spelling of 3925902725 in words is "three billion, nine hundred twenty-five million, nine hundred two thousand, seven hundred twenty-five".