3604213 has 2 divisors, whose sum is σ = 3604214. Its totient is φ = 3604212.

The previous prime is 3604199. The next prime is 3604241. The reversal of 3604213 is 3124063.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2365444 + 1238769 = 1538^2 + 1113^2 .

It is an emirp because it is prime and its reverse (3124063) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3604213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3604273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1802106 + 1802107.

It is an arithmetic number, because the mean of its divisors is an integer number (1802107).

Almost surely, 2^3604213 is an apocalyptic number.

It is an amenable number.

3604213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3604213 is an equidigital number, since it uses as much as digits as its factorization.

3604213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3604213 is about 1898.4764944555. The cubic root of 3604213 is about 153.3216494983.

Adding to 3604213 its reverse (3124063), we get a palindrome (6728276).

The spelling of 3604213 in words is "three million, six hundred four thousand, two hundred thirteen".