3421003 has 2 divisors, whose sum is σ = 3421004. Its totient is φ = 3421002.

The previous prime is 3420973. The next prime is 3421013. The reversal of 3421003 is 3001243.

3421003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3421003 - 2¹⁷ = 3289931 is a prime.

It is not a weakly prime, because it can be changed into another prime (3421013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710501 + 1710502.

It is an arithmetic number, because the mean of its divisors is an integer number (1710502).

Almost surely, 2^3421003 is an apocalyptic number.

3421003 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421003 is an equidigital number, since it uses as much as digits as its factorization.

3421003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3421003 is about 1849.5953611534. The cubic root of 3421003 is about 150.6784526461.

Adding to 3421003 its reverse (3001243), we get a palindrome (6422246).

The spelling of 3421003 in words is "three million, four hundred twenty-one thousand, three".