629256829 has 2 divisors, whose sum is σ = 629256830. Its totient is φ = 629256828.

The previous prime is 629256827. The next prime is 629256841. The reversal of 629256829 is 928652926.

629256829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 524501604 + 104755225 = 22902^2 + 10235^2 .

It is a cyclic number.

It is not a de Polignac number, because 629256829 - 2¹ = 629256827 is a prime.

Together with 629256827, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (629256827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314628414 + 314628415.

It is an arithmetic number, because the mean of its divisors is an integer number (314628415).

Almost surely, 2^629256829 is an apocalyptic number.

It is an amenable number.

629256829 is a deficient number, since it is larger than the sum of its proper divisors (1).

629256829 is an equidigital number, since it uses as much as digits as its factorization.

629256829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 49.

The square root of 629256829 is about 25084.9921068355. The cubic root of 629256829 is about 856.9246697914.

The spelling of 629256829 in words is "six hundred twenty-nine million, two hundred fifty-six thousand, eight hundred twenty-nine".