548454281 has 2 divisors, whose sum is σ = 548454282. Its totient is φ = 548454280.

The previous prime is 548454271. The next prime is 548454299. The reversal of 548454281 is 182454845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277555600 + 270898681 = 16660^2 + 16459^2 .

It is a cyclic number.

It is not a de Polignac number, because 548454281 - 2⁶ = 548454217 is a prime.

It is a super-2 number, since 2×548454281² = 601604196694453922, which contains 22 as substring.

It is equal to p_28768514 and since 548454281 and 28768514 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (548454211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274227140 + 274227141.

It is an arithmetic number, because the mean of its divisors is an integer number (274227141).

Almost surely, 2^548454281 is an apocalyptic number.

It is an amenable number.

548454281 is a deficient number, since it is larger than the sum of its proper divisors (1).

548454281 is an equidigital number, since it uses as much as digits as its factorization.

548454281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204800, while the sum is 41.

The square root of 548454281 is about 23419.1007726599. The cubic root of 548454281 is about 818.5530107755.

The spelling of 548454281 in words is "five hundred forty-eight million, four hundred fifty-four thousand, two hundred eighty-one".