3043421 has 2 divisors, whose sum is σ = 3043422. Its totient is φ = 3043420.

The previous prime is 3043393. The next prime is 3043423. The reversal of 3043421 is 1243403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2937796 + 105625 = 1714^2 + 325^2 .

It is a cyclic number.

It is not a de Polignac number, because 3043421 - 2¹⁰ = 3042397 is a prime.

It is a super-2 number, since 2×3043421² = 18524822766482, which contains 22 as substring.

Together with 3043423, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3043421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3043423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1521710 + 1521711.

It is an arithmetic number, because the mean of its divisors is an integer number (1521711).

Almost surely, 2^3043421 is an apocalyptic number.

It is an amenable number.

3043421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3043421 is an equidigital number, since it uses as much as digits as its factorization.

3043421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3043421 is about 1744.5403406055. The cubic root of 3043421 is about 144.9174480557.

Adding to 3043421 its reverse (1243403), we get a palindrome (4286824).

The spelling of 3043421 in words is "three million, forty-three thousand, four hundred twenty-one".