543149 has 2 divisors, whose sum is σ = 543150. Its totient is φ = 543148.

The previous prime is 543143. The next prime is 543157. The reversal of 543149 is 941345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 448900 + 94249 = 670^2 + 307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271574 + 271575.

It is an arithmetic number, because the mean of its divisors is an integer number (271575).

2⁵⁴³¹⁴⁹ is an apocalyptic number.

It is an amenable number.

543149 is a deficient number, since it is larger than the sum of its proper divisors (1).

543149 is an equidigital number, since it uses as much as digits as its factorization.

543149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 543149 is about 736.9864313541. The cubic root of 543149 is about 81.5905125616.

The spelling of 543149 in words is "five hundred forty-three thousand, one hundred forty-nine".