6003421 has 4 divisors (see below), whose sum is σ = 6025372. Its totient is φ = 5981472.

The previous prime is 6003419. The next prime is 6003443. The reversal of 6003421 is 1243006.

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 3944196 + 2059225 = 1986^2 + 1435^2 .

It is a cyclic number.

It is not a de Polignac number, because 6003421 - 2¹ = 6003419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6003395 and 6003404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6003521) 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, 10560 + ... + 11113.

It is an arithmetic number, because the mean of its divisors is an integer number (1506343).

Almost surely, 2^6003421 is an apocalyptic number.

It is an amenable number.

6003421 is a deficient number, since it is larger than the sum of its proper divisors (21951).

6003421 is a wasteful number, since it uses less digits than its factorization.

6003421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21950.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 6003421 is about 2450.1879519743. The cubic root of 6003421 is about 181.7465881080.

Adding to 6003421 its reverse (1243006), we get a palindrome (7246427).

The spelling of 6003421 in words is "six million, three thousand, four hundred twenty-one".