548231141 has 2 divisors, whose sum is σ = 548231142. Its totient is φ = 548231140.

The previous prime is 548231071. The next prime is 548231143. The reversal of 548231141 is 141132845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 443987041 + 104244100 = 21071^2 + 10210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-548231141 is a prime.

Together with 548231143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (548231143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274115570 + 274115571.

It is an arithmetic number, because the mean of its divisors is an integer number (274115571).

Almost surely, 2^548231141 is an apocalyptic number.

It is an amenable number.

548231141 is a deficient number, since it is larger than the sum of its proper divisors (1).

548231141 is an equidigital number, since it uses as much as digits as its factorization.

548231141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 29.

The square root of 548231141 is about 23414.3362280463. The cubic root of 548231141 is about 818.4419856019.

Adding to 548231141 its reverse (141132845), we get a palindrome (689363986).

The spelling of 548231141 in words is "five hundred forty-eight million, two hundred thirty-one thousand, one hundred forty-one".