549174481 has 2 divisors, whose sum is σ = 549174482. Its totient is φ = 549174480.

The previous prime is 549174433. The next prime is 549174491. The reversal of 549174481 is 184471945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395811025 + 153363456 = 19895^2 + 12384^2 .

It is a cyclic number.

It is not a de Polignac number, because 549174481 - 2¹⁵ = 549141713 is a prime.

It is a super-2 number, since 2×549174481² = 603185221163238722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (549174491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274587240 + 274587241.

It is an arithmetic number, because the mean of its divisors is an integer number (274587241).

Almost surely, 2^549174481 is an apocalyptic number.

It is an amenable number.

549174481 is a deficient number, since it is larger than the sum of its proper divisors (1).

549174481 is an equidigital number, since it uses as much as digits as its factorization.

549174481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 43.

The square root of 549174481 is about 23434.4720657411. The cubic root of 549174481 is about 818.9111469923.

The spelling of 549174481 in words is "five hundred forty-nine million, one hundred seventy-four thousand, four hundred eighty-one".