629903 has 2 divisors, whose sum is σ = 629904. Its totient is φ = 629902.

The previous prime is 629899. The next prime is 629921. The reversal of 629903 is 309926.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 629903 - 2² = 629899 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (629963) 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, 314951 + 314952.

It is an arithmetic number, because the mean of its divisors is an integer number (314952).

2⁶²⁹⁹⁰³ is an apocalyptic number.

629903 is a deficient number, since it is larger than the sum of its proper divisors (1).

629903 is an equidigital number, since it uses as much as digits as its factorization.

629903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 629903 is about 793.6642867107. The cubic root of 629903 is about 85.7217888934.

The spelling of 629903 in words is "six hundred twenty-nine thousand, nine hundred three".