629288249 has 2 divisors, whose sum is σ = 629288250. Its totient is φ = 629288248.

The previous prime is 629288243. The next prime is 629288279. The reversal of 629288249 is 942882926.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 564775225 + 64513024 = 23765^2 + 8032^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-629288249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 629288197 and 629288206.

It is not a weakly prime, because it can be changed into another prime (629288243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314644124 + 314644125.

It is an arithmetic number, because the mean of its divisors is an integer number (314644125).

Almost surely, 2^629288249 is an apocalyptic number.

It is an amenable number.

629288249 is a deficient number, since it is larger than the sum of its proper divisors (1).

629288249 is an equidigital number, since it uses as much as digits as its factorization.

629288249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 50.

The square root of 629288249 is about 25085.6183698947. The cubic root of 629288249 is about 856.9389321847.

The spelling of 629288249 in words is "six hundred twenty-nine million, two hundred eighty-eight thousand, two hundred forty-nine".