628039253 has 2 divisors, whose sum is σ = 628039254. Its totient is φ = 628039252.

The previous prime is 628039231. The next prime is 628039273. The reversal of 628039253 is 352930826.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 346034404 + 282004849 = 18602^2 + 16793^2 .

It is a cyclic number.

It is not a de Polignac number, because 628039253 - 2¹⁸ = 627777109 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (628039273) 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 as a sum of consecutive naturals, namely, 314019626 + 314019627.

It is an arithmetic number, because the mean of its divisors is an integer number (314019627).

Almost surely, 2^628039253 is an apocalyptic number.

It is an amenable number.

628039253 is a deficient number, since it is larger than the sum of its proper divisors (1).

628039253 is an equidigital number, since it uses as much as digits as its factorization.

628039253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 628039253 is about 25060.7113426575. The cubic root of 628039253 is about 856.3716128400.

The spelling of 628039253 in words is "six hundred twenty-eight million, thirty-nine thousand, two hundred fifty-three".