3243613 has 2 divisors, whose sum is σ = 3243614. Its totient is φ = 3243612.

The previous prime is 3243589. The next prime is 3243629. The reversal of 3243613 is 3163423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1750329 + 1493284 = 1323^2 + 1222^2 .

3243613 is a truncatable prime.

It is an emirp because it is prime and its reverse (3163423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3243613 - 2⁹ = 3243101 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 (3243683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621806 + 1621807.

It is an arithmetic number, because the mean of its divisors is an integer number (1621807).

Almost surely, 2^3243613 is an apocalyptic number.

It is an amenable number.

3243613 is a deficient number, since it is larger than the sum of its proper divisors (1).

3243613 is an equidigital number, since it uses as much as digits as its factorization.

3243613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 22.

The square root of 3243613 is about 1801.0033314794. The cubic root of 3243613 is about 148.0277066463.

The spelling of 3243613 in words is "three million, two hundred forty-three thousand, six hundred thirteen".