3243541 has 4 divisors (see below), whose sum is σ = 3706912. Its totient is φ = 2780172.

The previous prime is 3243523. The next prime is 3243587. The reversal of 3243541 is 1453423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1453423 = 613 ⋅2371.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3243541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231675 + ... + 231688.

It is an arithmetic number, because the mean of its divisors is an integer number (926728).

Almost surely, 2^3243541 is an apocalyptic number.

It is an amenable number.

3243541 is a deficient number, since it is larger than the sum of its proper divisors (463371).

3243541 is an equidigital number, since it uses as much as digits as its factorization.

3243541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463370.

The product of its digits is 1440, while the sum is 22.

The square root of 3243541 is about 1800.9833425104. The cubic root of 3243541 is about 148.0266113580.

Adding to 3243541 its reverse (1453423), we get a palindrome (4696964).

The spelling of 3243541 in words is "three million, two hundred forty-three thousand, five hundred forty-one".