675658549 has 2 divisors, whose sum is σ = 675658550. Its totient is φ = 675658548.

The previous prime is 675658537. The next prime is 675658553. The reversal of 675658549 is 945856576.

675658549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 675636049 + 22500 = 25993^2 + 150^2 .

It is a cyclic number.

It is not a de Polignac number, because 675658549 - 2¹⁷ = 675527477 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 675658549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675658579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337829274 + 337829275.

It is an arithmetic number, because the mean of its divisors is an integer number (337829275).

Almost surely, 2^675658549 is an apocalyptic number.

It is an amenable number.

675658549 is a deficient number, since it is larger than the sum of its proper divisors (1).

675658549 is an equidigital number, since it uses as much as digits as its factorization.

675658549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072000, while the sum is 55.

The square root of 675658549 is about 25993.4328052299. The cubic root of 675658549 is about 877.4905041410.

The spelling of 675658549 in words is "six hundred seventy-five million, six hundred fifty-eight thousand, five hundred forty-nine".