3243973 has 2 divisors, whose sum is σ = 3243974. Its totient is φ = 3243972.

The previous prime is 3243967. The next prime is 3243979. The reversal of 3243973 is 3793423.

It is a balanced prime because it is at equal distance from previous prime (3243967) and next prime (3243979).

It can be written as a sum of positive squares in only one way, i.e., 2630884 + 613089 = 1622^2 + 783^2 .

It is an emirp because it is prime and its reverse (3793423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3243973 - 2⁵ = 3243941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3243979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621986 + 1621987.

It is an arithmetic number, because the mean of its divisors is an integer number (1621987).

Almost surely, 2^3243973 is an apocalyptic number.

It is an amenable number.

3243973 is a deficient number, since it is larger than the sum of its proper divisors (1).

3243973 is an equidigital number, since it uses as much as digits as its factorization.

3243973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 31.

The square root of 3243973 is about 1801.1032729969. The cubic root of 3243973 is about 148.0331828445.

The spelling of 3243973 in words is "three million, two hundred forty-three thousand, nine hundred seventy-three".