634112249 has 2 divisors, whose sum is σ = 634112250. Its totient is φ = 634112248.

The previous prime is 634112207. The next prime is 634112267. The reversal of 634112249 is 942211436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 603586624 + 30525625 = 24568^2 + 5525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-634112249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (634112279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317056124 + 317056125.

It is an arithmetic number, because the mean of its divisors is an integer number (317056125).

Almost surely, 2^634112249 is an apocalyptic number.

It is an amenable number.

634112249 is a deficient number, since it is larger than the sum of its proper divisors (1).

634112249 is an equidigital number, since it uses as much as digits as its factorization.

634112249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 634112249 is about 25181.5855140219. The cubic root of 634112249 is about 859.1230690617.

The spelling of 634112249 in words is "six hundred thirty-four million, one hundred twelve thousand, two hundred forty-nine".