613828249 has 2 divisors, whose sum is σ = 613828250. Its totient is φ = 613828248.

The previous prime is 613828247. The next prime is 613828273. The reversal of 613828249 is 942828316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 585398025 + 28430224 = 24195^2 + 5332^2 .

It is a cyclic number.

It is not a de Polignac number, because 613828249 - 2¹ = 613828247 is a prime.

Together with 613828247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (613828247) 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, 306914124 + 306914125.

It is an arithmetic number, because the mean of its divisors is an integer number (306914125).

Almost surely, 2^613828249 is an apocalyptic number.

It is an amenable number.

613828249 is a deficient number, since it is larger than the sum of its proper divisors (1).

613828249 is an equidigital number, since it uses as much as digits as its factorization.

613828249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 43.

The square root of 613828249 is about 24775.5574912049. The cubic root of 613828249 is about 849.8630685996.

The spelling of 613828249 in words is "six hundred thirteen million, eight hundred twenty-eight thousand, two hundred forty-nine".