3581003 has 2 divisors, whose sum is σ = 3581004. Its totient is φ = 3581002.

The previous prime is 3580963. The next prime is 3581021. The reversal of 3581003 is 3001853.

3581003 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 an emirp because it is prime and its reverse (3001853) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3581003 - 2⁸ = 3580747 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3581503) 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, 1790501 + 1790502.

It is an arithmetic number, because the mean of its divisors is an integer number (1790502).

Almost surely, 2^3581003 is an apocalyptic number.

3581003 is a deficient number, since it is larger than the sum of its proper divisors (1).

3581003 is an equidigital number, since it uses as much as digits as its factorization.

3581003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 3581003 is about 1892.3538252663. The cubic root of 3581003 is about 152.9918260688.

Adding to 3581003 its reverse (3001853), we get a palindrome (6582856).

The spelling of 3581003 in words is "three million, five hundred eighty-one thousand, three".