3324521 has 2 divisors, whose sum is σ = 3324522. Its totient is φ = 3324520.

The previous prime is 3324509. The next prime is 3324523. The reversal of 3324521 is 1254233.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2676496 + 648025 = 1636^2 + 805^2 .

It is a cyclic number.

It is not a de Polignac number, because 3324521 - 2⁶ = 3324457 is a prime.

It is a super-2 number, since 2×3324521² = 22104879758882, which contains 22 as substring.

Together with 3324523, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3324493 and 3324502.

It is not a weakly prime, because it can be changed into another prime (3324523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1662260 + 1662261.

It is an arithmetic number, because the mean of its divisors is an integer number (1662261).

Almost surely, 2^3324521 is an apocalyptic number.

It is an amenable number.

3324521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3324521 is an equidigital number, since it uses as much as digits as its factorization.

3324521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 20.

The square root of 3324521 is about 1823.3269043153. The cubic root of 3324521 is about 149.2484032687.

Adding to 3324521 its reverse (1254233), we get a palindrome (4578754).

The spelling of 3324521 in words is "three million, three hundred twenty-four thousand, five hundred twenty-one".