627398249 has 2 divisors, whose sum is σ = 627398250. Its totient is φ = 627398248.

The previous prime is 627398227. The next prime is 627398273. The reversal of 627398249 is 942893726.

627398249 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., 315240025 + 312158224 = 17755^2 + 17668^2 .

It is a cyclic number.

It is not a de Polignac number, because 627398249 - 2²⁰ = 626349673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 627398197 and 627398206.

It is not a weakly prime, because it can be changed into another prime (627338249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313699124 + 313699125.

It is an arithmetic number, because the mean of its divisors is an integer number (313699125).

Almost surely, 2^627398249 is an apocalyptic number.

It is an amenable number.

627398249 is a deficient number, since it is larger than the sum of its proper divisors (1).

627398249 is an equidigital number, since it uses as much as digits as its factorization.

627398249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 50.

The square root of 627398249 is about 25047.9190552828. The cubic root of 627398249 is about 856.0801637047.

The spelling of 627398249 in words is "six hundred twenty-seven million, three hundred ninety-eight thousand, two hundred forty-nine".