628628003 has 2 divisors, whose sum is σ = 628628004. Its totient is φ = 628628002.

The previous prime is 628627957. The next prime is 628628047. The reversal of 628628003 is 300826826.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 628628003 - 2¹⁰ = 628626979 is a prime.

It is not a weakly prime, because it can be changed into another prime (628622003) 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, 314314001 + 314314002.

It is an arithmetic number, because the mean of its divisors is an integer number (314314002).

Almost surely, 2^628628003 is an apocalyptic number.

628628003 is a deficient number, since it is larger than the sum of its proper divisors (1).

628628003 is an equidigital number, since it uses as much as digits as its factorization.

628628003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 628628003 is about 25072.4550652703. The cubic root of 628628003 is about 856.6391286668.

The spelling of 628628003 in words is "six hundred twenty-eight million, six hundred twenty-eight thousand, three".