628113243 has 24 divisors (see below), whose sum is σ = 859725360. Its totient is φ = 407865600.

The previous prime is 628113181. The next prime is 628113247. The reversal of 628113243 is 342311826.

It is not a de Polignac number, because 628113243 - 2⁸ = 628112987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 628113243.

It is not an unprimeable number, because it can be changed into a prime (628113247) 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 23 ways as a sum of consecutive naturals, for example, 1614493 + ... + 1614881.

It is an arithmetic number, because the mean of its divisors is an integer number (35821890).

Almost surely, 2^628113243 is an apocalyptic number.

628113243 is a deficient number, since it is larger than the sum of its proper divisors (231612117).

628113243 is a wasteful number, since it uses less digits than its factorization.

628113243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 566 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 628113243 is about 25062.1875142614. The cubic root of 628113243 is about 856.4052415489.

The spelling of 628113243 in words is "six hundred twenty-eight million, one hundred thirteen thousand, two hundred forty-three".