628300507 has 2 divisors, whose sum is σ = 628300508. Its totient is φ = 628300506.

The previous prime is 628300489. The next prime is 628300553. The reversal of 628300507 is 705003826.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 628300507 - 2²⁷ = 494082779 is a prime.

It is not a weakly prime, because it can be changed into another prime (628307507) 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, 314150253 + 314150254.

It is an arithmetic number, because the mean of its divisors is an integer number (314150254).

Almost surely, 2^628300507 is an apocalyptic number.

628300507 is a deficient number, since it is larger than the sum of its proper divisors (1).

628300507 is an equidigital number, since it uses as much as digits as its factorization.

628300507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 628300507 is about 25065.9232225745. The cubic root of 628300507 is about 856.4903418806.

The spelling of 628300507 in words is "six hundred twenty-eight million, three hundred thousand, five hundred seven".