3043542421 has 4 divisors (see below), whose sum is σ = 3046819500. Its totient is φ = 3040265344.

The previous prime is 3043542343. The next prime is 3043542473. The reversal of 3043542421 is 1242453403.

It is a happy number.

3043542421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1721420100 + 1322122321 = 41490^2 + 36361^2 .

It is a cyclic number.

It is not a de Polignac number, because 3043542421 - 2¹³ = 3043534229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3043542421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3043572421) 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, 1637146 + ... + 1639003.

It is an arithmetic number, because the mean of its divisors is an integer number (761704875).

Almost surely, 2^3043542421 is an apocalyptic number.

It is an amenable number.

3043542421 is a deficient number, since it is larger than the sum of its proper divisors (3277079).

3043542421 is an equidigital number, since it uses as much as digits as its factorization.

3043542421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277078.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 3043542421 is about 55168.3099342367. The cubic root of 3043542421 is about 1449.1937524965.

Adding to 3043542421 its reverse (1242453403), we get a palindrome (4285995824).

The spelling of 3043542421 in words is "three billion, forty-three million, five hundred forty-two thousand, four hundred twenty-one".