3931325 has 6 divisors (see below), whose sum is σ = 4874874. Its totient is φ = 3145040.

The previous prime is 3931307. The next prime is 3931331. The reversal of 3931325 is 5231393.

It can be written as a sum of positive squares in 3 ways, for example, as 14884 + 3916441 = 122^2 + 1979^2 .

It is not a de Polignac number, because 3931325 - 2⁶ = 3931261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3931294 and 3931303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78602 + ... + 78651.

It is an arithmetic number, because the mean of its divisors is an integer number (812479).

Almost surely, 2^3931325 is an apocalyptic number.

It is an amenable number.

3931325 is a deficient number, since it is larger than the sum of its proper divisors (943549).

3931325 is a wasteful number, since it uses less digits than its factorization.

3931325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157263 (or 157258 counting only the distinct ones).

The product of its digits is 2430, while the sum is 26.

The square root of 3931325 is about 1982.7569190397. The cubic root of 3931325 is about 157.8263996188.

The spelling of 3931325 in words is "three million, nine hundred thirty-one thousand, three hundred twenty-five".