3925925 has 6 divisors (see below), whose sum is σ = 4868178. Its totient is φ = 3140720.

The previous prime is 3925903. The next prime is 3925927. The reversal of 3925925 is 5295293.

It can be written as a sum of positive squares in 3 ways, for example, as 357604 + 3568321 = 598^2 + 1889^2 .

It is not a de Polignac number, because 3925925 - 2¹⁰ = 3924901 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 (3925927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78494 + ... + 78543.

It is an arithmetic number, because the mean of its divisors is an integer number (811363).

Almost surely, 2^3925925 is an apocalyptic number.

It is an amenable number.

3925925 is a deficient number, since it is larger than the sum of its proper divisors (942253).

3925925 is a wasteful number, since it uses less digits than its factorization.

3925925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157047 (or 157042 counting only the distinct ones).

The product of its digits is 24300, while the sum is 35.

The square root of 3925925 is about 1981.3947108035. The cubic root of 3925925 is about 157.7541039701.

The spelling of 3925925 in words is "three million, nine hundred twenty-five thousand, nine hundred twenty-five".