3530542421 has 16 divisors (see below), whose sum is σ = 4098226176. Its totient is φ = 2978757936.

The previous prime is 3530542403. The next prime is 3530542429. The reversal of 3530542421 is 1242450353.

It is a happy number.

It is not a de Polignac number, because 3530542421 - 2¹⁰ = 3530541397 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 (3530542429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 977000 + ... + 980606.

It is an arithmetic number, because the mean of its divisors is an integer number (256139136).

Almost surely, 2^3530542421 is an apocalyptic number.

It is an amenable number.

3530542421 is a deficient number, since it is larger than the sum of its proper divisors (567683755).

3530542421 is a wasteful number, since it uses less digits than its factorization.

3530542421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5768.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 3530542421 is about 59418.3677073007. The cubic root of 3530542421 is about 1522.6981194093.

Adding to 3530542421 its reverse (1242450353), we get a palindrome (4772992774).

The spelling of 3530542421 in words is "three billion, five hundred thirty million, five hundred forty-two thousand, four hundred twenty-one".