3323561 has 2 divisors, whose sum is σ = 3323562. Its totient is φ = 3323560.

The previous prime is 3323557. The next prime is 3323563. The reversal of 3323561 is 1653233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3258025 + 65536 = 1805^2 + 256^2 .

It is a cyclic number.

It is not a de Polignac number, because 3323561 - 2² = 3323557 is a prime.

It is a super-2 number, since 2×3323561² = 22092115441442, which contains 22 as substring.

Together with 3323563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3323563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1661780 + 1661781.

It is an arithmetic number, because the mean of its divisors is an integer number (1661781).

Almost surely, 2^3323561 is an apocalyptic number.

It is an amenable number.

3323561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3323561 is an equidigital number, since it uses as much as digits as its factorization.

3323561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 23.

The square root of 3323561 is about 1823.0636302664. The cubic root of 3323561 is about 149.2340360600.

Adding to 3323561 its reverse (1653233), we get a palindrome (4976794).

The spelling of 3323561 in words is "three million, three hundred twenty-three thousand, five hundred sixty-one".