3653213 has 2 divisors, whose sum is σ = 3653214. Its totient is φ = 3653212.

The previous prime is 3653203. The next prime is 3653219. The reversal of 3653213 is 3123563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1968409 + 1684804 = 1403^2 + 1298^2 .

It is a cyclic number.

It is not a de Polignac number, because 3653213 - 2¹⁰ = 3652189 is a prime.

It is a d-powerful number, because it can be written as 3³ + 6⁶ + 5⁹ + 3¹⁰ + 2⁵ + 1 + 3¹³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3653219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1826606 + 1826607.

It is an arithmetic number, because the mean of its divisors is an integer number (1826607).

Almost surely, 2^3653213 is an apocalyptic number.

It is an amenable number.

3653213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3653213 is an equidigital number, since it uses as much as digits as its factorization.

3653213 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 3653213 is about 1911.3380130160. The cubic root of 3653213 is about 154.0133372381.

Adding to 3653213 its reverse (3123563), we get a palindrome (6776776).

The spelling of 3653213 in words is "three million, six hundred fifty-three thousand, two hundred thirteen".