3216525 has 24 divisors (see below), whose sum is σ = 5728800. Its totient is φ = 1583040.

The previous prime is 3216523. The next prime is 3216559. The reversal of 3216525 is 5256123.

It is not a de Polignac number, because 3216525 - 2¹ = 3216523 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 3216495 and 3216504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3216523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 675 + ... + 2624.

It is an arithmetic number, because the mean of its divisors is an integer number (238700).

Almost surely, 2^3216525 is an apocalyptic number.

It is an amenable number.

3216525 is a deficient number, since it is larger than the sum of its proper divisors (2512275).

3216525 is a wasteful number, since it uses less digits than its factorization.

3216525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325 (or 3320 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 3216525 is about 1793.4673122195. The cubic root of 3216525 is about 147.6144854725.

It can be divided in two parts, 3216 and 525, that added together give a triangular number (3741 = T₈₆).

The spelling of 3216525 in words is "three million, two hundred sixteen thousand, five hundred twenty-five".