549472717 has 2 divisors, whose sum is σ = 549472718. Its totient is φ = 549472716.

The previous prime is 549472709. The next prime is 549472733. The reversal of 549472717 is 717274945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 472366756 + 77105961 = 21734^2 + 8781^2 .

It is a cyclic number.

It is not a de Polignac number, because 549472717 - 2³ = 549472709 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549472757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274736358 + 274736359.

It is an arithmetic number, because the mean of its divisors is an integer number (274736359).

Almost surely, 2^549472717 is an apocalyptic number.

It is an amenable number.

549472717 is a deficient number, since it is larger than the sum of its proper divisors (1).

549472717 is an equidigital number, since it uses as much as digits as its factorization.

549472717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493920, while the sum is 46.

The square root of 549472717 is about 23440.8343921457. The cubic root of 549472717 is about 819.0593601110.

The spelling of 549472717 in words is "five hundred forty-nine million, four hundred seventy-two thousand, seven hundred seventeen".