3216325 has 12 divisors (see below), whose sum is σ = 4558240. Its totient is φ = 2205360.

The previous prime is 3216289. The next prime is 3216331. The reversal of 3216325 is 5236123.

It is not a de Polignac number, because 3216325 - 2⁷ = 3216197 is a prime.

It is an alternating number because its digits alternate between odd and even.

3216325 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3216296 and 3216305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9015 + ... + 9364.

Almost surely, 2^3216325 is an apocalyptic number.

3216325 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3216325 is a deficient number, since it is larger than the sum of its proper divisors (1341915).

3216325 is a wasteful number, since it uses less digits than its factorization.

3216325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18396 (or 18391 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 3216325 is about 1793.4115534366. The cubic root of 3216325 is about 147.6114259068.

The spelling of 3216325 in words is "three million, two hundred sixteen thousand, three hundred twenty-five".