548740513 has 2 divisors, whose sum is σ = 548740514. Its totient is φ = 548740512.

The previous prime is 548740483. The next prime is 548740531. The reversal of 548740513 is 315047845.

Together with next prime (548740531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 400680289 + 148060224 = 20017^2 + 12168^2 .

It is a cyclic number.

It is not a de Polignac number, because 548740513 - 2⁵ = 548740481 is a prime.

It is a super-2 number, since 2×548740513² = 602232301215006338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (548740573) 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 as a sum of consecutive naturals, namely, 274370256 + 274370257.

It is an arithmetic number, because the mean of its divisors is an integer number (274370257).

Almost surely, 2^548740513 is an apocalyptic number.

It is an amenable number.

548740513 is a deficient number, since it is larger than the sum of its proper divisors (1).

548740513 is an equidigital number, since it uses as much as digits as its factorization.

548740513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 548740513 is about 23425.2110556127. The cubic root of 548740513 is about 818.6953838206.

The spelling of 548740513 in words is "five hundred forty-eight million, seven hundred forty thousand, five hundred thirteen".