548239117 has 2 divisors, whose sum is σ = 548239118. Its totient is φ = 548239116.

The previous prime is 548239099. The next prime is 548239157. The reversal of 548239117 is 711932845.

548239117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (548239157) can be obtained adding 548239117 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 495908361 + 52330756 = 22269^2 + 7234^2 .

It is a cyclic number.

It is not a de Polignac number, because 548239117 - 2¹⁵ = 548206349 is a prime.

It is a super-2 number, since 2×548239117² = 601132258817879378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 548239117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (548239157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274119558 + 274119559.

It is an arithmetic number, because the mean of its divisors is an integer number (274119559).

Almost surely, 2^548239117 is an apocalyptic number.

It is an amenable number.

548239117 is a deficient number, since it is larger than the sum of its proper divisors (1).

548239117 is an equidigital number, since it uses as much as digits as its factorization.

548239117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 40.

The square root of 548239117 is about 23414.5065504272. The cubic root of 548239117 is about 818.4459546465.

The spelling of 548239117 in words is "five hundred forty-eight million, two hundred thirty-nine thousand, one hundred seventeen".