549162941 has 2 divisors, whose sum is σ = 549162942. Its totient is φ = 549162940.

The previous prime is 549162877. The next prime is 549162949. The reversal of 549162941 is 149261945.

549162941 = 16570² + 16571².

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274598041 + 274564900 = 16571^2 + 16570^2 .

It is a cyclic number.

It is not a de Polignac number, because 549162941 - 2⁶ = 549162877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549162949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274581470 + 274581471.

It is an arithmetic number, because the mean of its divisors is an integer number (274581471).

Almost surely, 2^549162941 is an apocalyptic number.

549162941 is the 16571-st centered square number.

It is an amenable number.

549162941 is a deficient number, since it is larger than the sum of its proper divisors (1).

549162941 is an equidigital number, since it uses as much as digits as its factorization.

549162941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 41.

The square root of 549162941 is about 23434.2258459715. The cubic root of 549162941 is about 818.9054109277.

The spelling of 549162941 in words is "five hundred forty-nine million, one hundred sixty-two thousand, nine hundred forty-one".