548503 has 2 divisors, whose sum is σ = 548504. Its totient is φ = 548502.

The previous prime is 548501. The next prime is 548519. The reversal of 548503 is 305845.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 548503 - 2¹ = 548501 is a prime.

Together with 548501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (548501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274251 + 274252.

It is an arithmetic number, because the mean of its divisors is an integer number (274252).

2⁵⁴⁸⁵⁰³ is an apocalyptic number.

548503 is a deficient number, since it is larger than the sum of its proper divisors (1).

548503 is an equidigital number, since it uses as much as digits as its factorization.

548503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 548503 is about 740.6098838120. The cubic root of 548503 is about 81.8577247316.

The spelling of 548503 in words is "five hundred forty-eight thousand, five hundred three".