3645241003 has 2 divisors, whose sum is σ = 3645241004. Its totient is φ = 3645241002.

The previous prime is 3645241001. The next prime is 3645241027. The reversal of 3645241003 is 3001425463.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3645241003 - 2¹ = 3645241001 is a prime.

Together with 3645241001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3645241001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822620501 + 1822620502.

It is an arithmetic number, because the mean of its divisors is an integer number (1822620502).

Almost surely, 2^3645241003 is an apocalyptic number.

3645241003 is a deficient number, since it is larger than the sum of its proper divisors (1).

3645241003 is an equidigital number, since it uses as much as digits as its factorization.

3645241003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 3645241003 is about 60375.8312820619. The cubic root of 3645241003 is about 1539.0122697251.

Adding to 3645241003 its reverse (3001425463), we get a palindrome (6646666466).

The spelling of 3645241003 in words is "three billion, six hundred forty-five million, two hundred forty-one thousand, three".