627628361 has 2 divisors, whose sum is σ = 627628362. Its totient is φ = 627628360.

The previous prime is 627628333. The next prime is 627628363. The reversal of 627628361 is 163826726.

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., 526243600 + 101384761 = 22940^2 + 10069^2 .

It is a cyclic number.

It is not a de Polignac number, because 627628361 - 2⁶ = 627628297 is a prime.

Together with 627628363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (627628363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313814180 + 313814181.

It is an arithmetic number, because the mean of its divisors is an integer number (313814181).

Almost surely, 2^627628361 is an apocalyptic number.

It is an amenable number.

627628361 is a deficient number, since it is larger than the sum of its proper divisors (1).

627628361 is an equidigital number, since it uses as much as digits as its factorization.

627628361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 627628361 is about 25052.5120696508. The cubic root of 627628361 is about 856.1848129392.

The spelling of 627628361 in words is "six hundred twenty-seven million, six hundred twenty-eight thousand, three hundred sixty-one".