546158849 has 2 divisors, whose sum is σ = 546158850. Its totient is φ = 546158848.

The previous prime is 546158843. The next prime is 546158861. The reversal of 546158849 is 948851645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 436810000 + 109348849 = 20900^2 + 10457^2 .

It is a cyclic number.

It is not a de Polignac number, because 546158849 - 2⁸ = 546158593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 546158797 and 546158806.

It is not a weakly prime, because it can be changed into another prime (546158843) 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, 273079424 + 273079425.

It is an arithmetic number, because the mean of its divisors is an integer number (273079425).

Almost surely, 2^546158849 is an apocalyptic number.

It is an amenable number.

546158849 is a deficient number, since it is larger than the sum of its proper divisors (1).

546158849 is an equidigital number, since it uses as much as digits as its factorization.

546158849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1382400, while the sum is 50.

The square root of 546158849 is about 23370.0416987219. The cubic root of 546158849 is about 817.4094574382.

The spelling of 546158849 in words is "five hundred forty-six million, one hundred fifty-eight thousand, eight hundred forty-nine".