445225003 has 2 divisors, whose sum is σ = 445225004. Its totient is φ = 445225002.

The previous prime is 445224977. The next prime is 445225009. The reversal of 445225003 is 300522544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445225003 - 2⁵ = 445224971 is a prime.

It is not a weakly prime, because it can be changed into another prime (445225009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222612501 + 222612502.

It is an arithmetic number, because the mean of its divisors is an integer number (222612502).

Almost surely, 2^445225003 is an apocalyptic number.

445225003 is a deficient number, since it is larger than the sum of its proper divisors (1).

445225003 is an equidigital number, since it uses as much as digits as its factorization.

445225003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 445225003 is about 21100.3555183319. The cubic root of 445225003 is about 763.5893253309.

Adding to 445225003 its reverse (300522544), we get a palindrome (745747547).

The spelling of 445225003 in words is "four hundred forty-five million, two hundred twenty-five thousand, three".