548725389 has 16 divisors (see below), whose sum is σ = 764805120. Its totient is φ = 349530480.

The previous prime is 548725381. The next prime is 548725391. The reversal of 548725389 is 983527845.

It is not a de Polignac number, because 548725389 - 2³ = 548725381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548725381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29997 + ... + 44690.

It is an arithmetic number, because the mean of its divisors is an integer number (47800320).

Almost surely, 2^548725389 is an apocalyptic number.

It is an amenable number.

548725389 is a deficient number, since it is larger than the sum of its proper divisors (216079731).

548725389 is a wasteful number, since it uses less digits than its factorization.

548725389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74800.

The product of its digits is 2419200, while the sum is 51.

The square root of 548725389 is about 23424.8882387942. Note that the first 3 decimals coincide. The cubic root of 548725389 is about 818.6878623161.

It can be divided in two parts, 5487 and 25389, that added together give a triangular number (30876 = T₂₄₈).

The spelling of 548725389 in words is "five hundred forty-eight million, seven hundred twenty-five thousand, three hundred eighty-nine".