628236601 has 2 divisors, whose sum is σ = 628236602. Its totient is φ = 628236600.

The previous prime is 628236551. The next prime is 628236617. The reversal of 628236601 is 106632826.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 594189376 + 34047225 = 24376^2 + 5835^2 .

It is a cyclic number.

It is not a de Polignac number, because 628236601 - 2⁷ = 628236473 is a prime.

It is not a weakly prime, because it can be changed into another prime (628236101) 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, 314118300 + 314118301.

It is an arithmetic number, because the mean of its divisors is an integer number (314118301).

Almost surely, 2^628236601 is an apocalyptic number.

It is an amenable number.

628236601 is a deficient number, since it is larger than the sum of its proper divisors (1).

628236601 is an equidigital number, since it uses as much as digits as its factorization.

628236601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 628236601 is about 25064.6484316058. The cubic root of 628236601 is about 856.4613023117.

The spelling of 628236601 in words is "six hundred twenty-eight million, two hundred thirty-six thousand, six hundred one".