675305149 has 2 divisors, whose sum is σ = 675305150. Its totient is φ = 675305148.

The previous prime is 675305143. The next prime is 675305159. The reversal of 675305149 is 941503576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 506565049 + 168740100 = 22507^2 + 12990^2 .

It is a cyclic number.

It is not a de Polignac number, because 675305149 - 2⁵ = 675305117 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675305143) 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, 337652574 + 337652575.

It is an arithmetic number, because the mean of its divisors is an integer number (337652575).

Almost surely, 2^675305149 is an apocalyptic number.

It is an amenable number.

675305149 is a deficient number, since it is larger than the sum of its proper divisors (1).

675305149 is an equidigital number, since it uses as much as digits as its factorization.

675305149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 675305149 is about 25986.6340452164. The cubic root of 675305149 is about 877.3374883775.

The spelling of 675305149 in words is "six hundred seventy-five million, three hundred five thousand, one hundred forty-nine".