445012003 has 2 divisors, whose sum is σ = 445012004. Its totient is φ = 445012002.

The previous prime is 445011997. The next prime is 445012013. The reversal of 445012003 is 300210544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445012003 - 2⁵ = 445011971 is a prime.

It is not a weakly prime, because it can be changed into another prime (445012013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222506001 + 222506002.

It is an arithmetic number, because the mean of its divisors is an integer number (222506002).

Almost surely, 2^445012003 is an apocalyptic number.

445012003 is a deficient number, since it is larger than the sum of its proper divisors (1).

445012003 is an equidigital number, since it uses as much as digits as its factorization.

445012003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 445012003 is about 21095.3076061953. The cubic root of 445012003 is about 763.4675363710.

Adding to 445012003 its reverse (300210544), we get a palindrome (745222547).

The spelling of 445012003 in words is "four hundred forty-five million, twelve thousand, three".