548740531 has 2 divisors, whose sum is σ = 548740532. Its totient is φ = 548740530.

The previous prime is 548740513. The next prime is 548740547. The reversal of 548740531 is 135047845.

548740531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (548740513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 548740531 - 2⁷ = 548740403 is a prime.

It is a super-2 number, since 2×548740531² = 602232340724323922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (548740561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274370265 + 274370266.

It is an arithmetic number, because the mean of its divisors is an integer number (274370266).

Almost surely, 2^548740531 is an apocalyptic number.

548740531 is a deficient number, since it is larger than the sum of its proper divisors (1).

548740531 is an equidigital number, since it uses as much as digits as its factorization.

548740531 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 548740531 is about 23425.2114398142. The cubic root of 548740531 is about 818.6953927724.

The spelling of 548740531 in words is "five hundred forty-eight million, seven hundred forty thousand, five hundred thirty-one".