628235941 has 2 divisors, whose sum is σ = 628235942. Its totient is φ = 628235940.

The previous prime is 628235939. The next prime is 628236013. The reversal of 628235941 is 149532826.

628235941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 622253025 + 5982916 = 24945^2 + 2446^2 .

It is a cyclic number.

It is not a de Polignac number, because 628235941 - 2¹ = 628235939 is a prime.

Together with 628235939, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 628235894 and 628235903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (628235911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314117970 + 314117971.

It is an arithmetic number, because the mean of its divisors is an integer number (314117971).

Almost surely, 2^628235941 is an apocalyptic number.

It is an amenable number.

628235941 is a deficient number, since it is larger than the sum of its proper divisors (1).

628235941 is an equidigital number, since it uses as much as digits as its factorization.

628235941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The square root of 628235941 is about 25064.6352656487. The cubic root of 628235941 is about 856.4610023903.

The spelling of 628235941 in words is "six hundred twenty-eight million, two hundred thirty-five thousand, nine hundred forty-one".