3245321 has 2 divisors, whose sum is σ = 3245322. Its totient is φ = 3245320.

The previous prime is 3245299. The next prime is 3245327. The reversal of 3245321 is 1235423.

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., 1990921 + 1254400 = 1411^2 + 1120^2 .

It is a cyclic number.

It is not a de Polignac number, because 3245321 - 2¹⁴ = 3228937 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3245293 and 3245302.

It is not a weakly prime, because it can be changed into another prime (3245327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1622660 + 1622661.

It is an arithmetic number, because the mean of its divisors is an integer number (1622661).

Almost surely, 2^3245321 is an apocalyptic number.

It is an amenable number.

3245321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3245321 is an equidigital number, since it uses as much as digits as its factorization.

3245321 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 3245321 is about 1801.4774492066. The cubic root of 3245321 is about 148.0536845663.

The spelling of 3245321 in words is "three million, two hundred forty-five thousand, three hundred twenty-one".