3543211321 has 8 divisors (see below), whose sum is σ = 3816597960. Its totient is φ = 3269943552.

The previous prime is 3543211297. The next prime is 3543211337. The reversal of 3543211321 is 1231123453.

It is a happy number.

3543211321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 157251600 + 3385959721 = 12540^2 + 58189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3543211321 - 2⁵ = 3543211289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3543211361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37911 + ... + 92323.

It is an arithmetic number, because the mean of its divisors is an integer number (477074745).

Almost surely, 2^3543211321 is an apocalyptic number.

It is an amenable number.

3543211321 is a deficient number, since it is larger than the sum of its proper divisors (273386639).

3543211321 is a wasteful number, since it uses less digits than its factorization.

3543211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59435.

The product of its digits is 2160, while the sum is 25.

The square root of 3543211321 is about 59524.8798486818. The cubic root of 3543211321 is about 1524.5172810258.

Adding to 3543211321 its reverse (1231123453), we get a palindrome (4774334774).

The spelling of 3543211321 in words is "three billion, five hundred forty-three million, two hundred eleven thousand, three hundred twenty-one".