3281925 has 12 divisors (see below), whose sum is σ = 5426240. Its totient is φ = 1750320.

The previous prime is 3281911. The next prime is 3281933. The reversal of 3281925 is 5291823.

It is a happy number.

It is not a de Polignac number, because 3281925 - 2⁴ = 3281909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3281892 and 3281901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21805 + ... + 21954.

Almost surely, 2^3281925 is an apocalyptic number.

It is an amenable number.

3281925 is a deficient number, since it is larger than the sum of its proper divisors (2144315).

3281925 is a wasteful number, since it uses less digits than its factorization.

3281925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43772 (or 43767 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 3281925 is about 1811.6084013936. The cubic root of 3281925 is about 148.6082377009.

The spelling of 3281925 in words is "three million, two hundred eighty-one thousand, nine hundred twenty-five".