675550289 has 2 divisors, whose sum is σ = 675550290. Its totient is φ = 675550288.

The previous prime is 675550279. The next prime is 675550297. The reversal of 675550289 is 982055576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 672883600 + 2666689 = 25940^2 + 1633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675550289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (675550259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337775144 + 337775145.

It is an arithmetic number, because the mean of its divisors is an integer number (337775145).

Almost surely, 2^675550289 is an apocalyptic number.

It is an amenable number.

675550289 is a deficient number, since it is larger than the sum of its proper divisors (1).

675550289 is an equidigital number, since it uses as much as digits as its factorization.

675550289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756000, while the sum is 47.

The square root of 675550289 is about 25991.3502727350. The cubic root of 675550289 is about 877.4436352029.

The spelling of 675550289 in words is "six hundred seventy-five million, five hundred fifty thousand, two hundred eighty-nine".