629143 has 2 divisors, whose sum is σ = 629144. Its totient is φ = 629142.

The previous prime is 629137. The next prime is 629171. The reversal of 629143 is 341926.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-629143 is a prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (629113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314571 + 314572.

It is an arithmetic number, because the mean of its divisors is an integer number (314572).

2⁶²⁹¹⁴³ is an apocalyptic number.

629143 is a deficient number, since it is larger than the sum of its proper divisors (1).

629143 is an equidigital number, since it uses as much as digits as its factorization.

629143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 25.

The square root of 629143 is about 793.1853503438. The cubic root of 629143 is about 85.6872995734.

The spelling of 629143 in words is "six hundred twenty-nine thousand, one hundred forty-three".