3265621 has 2 divisors, whose sum is σ = 3265622. Its totient is φ = 3265620.

The previous prime is 3265601. The next prime is 3265627. The reversal of 3265621 is 1265623.

3265621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2480625 + 784996 = 1575^2 + 886^2 .

It is an emirp because it is prime and its reverse (1265623) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3265621 - 2⁵ = 3265589 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3265627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1632810 + 1632811.

It is an arithmetic number, because the mean of its divisors is an integer number (1632811).

Almost surely, 2^3265621 is an apocalyptic number.

It is an amenable number.

3265621 is a deficient number, since it is larger than the sum of its proper divisors (1).

3265621 is an equidigital number, since it uses as much as digits as its factorization.

3265621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 25.

The square root of 3265621 is about 1807.1029301066. The cubic root of 3265621 is about 148.3617429348.

The spelling of 3265621 in words is "three million, two hundred sixty-five thousand, six hundred twenty-one".