628305575 has 12 divisors (see below), whose sum is σ = 779434488. Its totient is φ = 502428000.

The previous prime is 628305529. The next prime is 628305577. The reversal of 628305575 is 575503826.

It is not a de Polignac number, because 628305575 - 2⁶ = 628305511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628305577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80600 + ... + 88050.

It is an arithmetic number, because the mean of its divisors is an integer number (64952874).

Almost surely, 2^628305575 is an apocalyptic number.

628305575 is a deficient number, since it is larger than the sum of its proper divisors (151128913).

628305575 is a wasteful number, since it uses less digits than its factorization.

628305575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10834 (or 10829 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The square root of 628305575 is about 25066.0243157945. The cubic root of 628305575 is about 856.4926447496.

The spelling of 628305575 in words is "six hundred twenty-eight million, three hundred five thousand, five hundred seventy-five".