628296143 has 2 divisors, whose sum is σ = 628296144. Its totient is φ = 628296142.

The previous prime is 628296131. The next prime is 628296167. The reversal of 628296143 is 341692826.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 628296143 - 2²⁸ = 359860687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 628296143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (628296103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314148071 + 314148072.

It is an arithmetic number, because the mean of its divisors is an integer number (314148072).

Almost surely, 2^628296143 is an apocalyptic number.

628296143 is a deficient number, since it is larger than the sum of its proper divisors (1).

628296143 is an equidigital number, since it uses as much as digits as its factorization.

628296143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 628296143 is about 25065.8361719692. The cubic root of 628296143 is about 856.4883588950.

The spelling of 628296143 in words is "six hundred twenty-eight million, two hundred ninety-six thousand, one hundred forty-three".