549457417 has 2 divisors, whose sum is σ = 549457418. Its totient is φ = 549457416.

The previous prime is 549457411. The next prime is 549457471. The reversal of 549457417 is 714754945.

Together with next prime (549457471) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 544568896 + 4888521 = 23336^2 + 2211^2 .

It is a cyclic number.

It is not a de Polignac number, because 549457417 - 2¹¹ = 549455369 is a prime.

It is not a weakly prime, because it can be changed into another prime (549457411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274728708 + 274728709.

It is an arithmetic number, because the mean of its divisors is an integer number (274728709).

Almost surely, 2^549457417 is an apocalyptic number.

It is an amenable number.

549457417 is a deficient number, since it is larger than the sum of its proper divisors (1).

549457417 is an equidigital number, since it uses as much as digits as its factorization.

549457417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 46.

The square root of 549457417 is about 23440.5080363033. The cubic root of 549457417 is about 819.0517578382.

The spelling of 549457417 in words is "five hundred forty-nine million, four hundred fifty-seven thousand, four hundred seventeen".