548641229 has 2 divisors, whose sum is σ = 548641230. Its totient is φ = 548641228.

The previous prime is 548641183. The next prime is 548641267. The reversal of 548641229 is 922146845.

548641229 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., 503778025 + 44863204 = 22445^2 + 6698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-548641229 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 (548641279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274320614 + 274320615.

It is an arithmetic number, because the mean of its divisors is an integer number (274320615).

Almost surely, 2^548641229 is an apocalyptic number.

It is an amenable number.

548641229 is a deficient number, since it is larger than the sum of its proper divisors (1).

548641229 is an equidigital number, since it uses as much as digits as its factorization.

548641229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 41.

The square root of 548641229 is about 23423.0917899410. The cubic root of 548641229 is about 818.6460051354.

The spelling of 548641229 in words is "five hundred forty-eight million, six hundred forty-one thousand, two hundred twenty-nine".