628271411 has 2 divisors, whose sum is σ = 628271412. Its totient is φ = 628271410.

The previous prime is 628271401. The next prime is 628271417. The reversal of 628271411 is 114172826.

It is a happy number.

628271411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 628271411 - 2¹⁰ = 628270387 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (628271417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314135705 + 314135706.

It is an arithmetic number, because the mean of its divisors is an integer number (314135706).

Almost surely, 2^628271411 is an apocalyptic number.

628271411 is a deficient number, since it is larger than the sum of its proper divisors (1).

628271411 is an equidigital number, since it uses as much as digits as its factorization.

628271411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 32.

The square root of 628271411 is about 25065.3428263010. The cubic root of 628271411 is about 856.4771205916.

The spelling of 628271411 in words is "six hundred twenty-eight million, two hundred seventy-one thousand, four hundred eleven".