546317561 has 2 divisors, whose sum is σ = 546317562. Its totient is φ = 546317560.

The previous prime is 546317479. The next prime is 546317581. The reversal of 546317561 is 165713645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 336502336 + 209815225 = 18344^2 + 14485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-546317561 is a prime.

It is a Chen prime.

It is equal to p_28662167 and since 546317561 and 28662167 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (546317581) 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, 273158780 + 273158781.

It is an arithmetic number, because the mean of its divisors is an integer number (273158781).

Almost surely, 2^546317561 is an apocalyptic number.

It is an amenable number.

546317561 is a deficient number, since it is larger than the sum of its proper divisors (1).

546317561 is an equidigital number, since it uses as much as digits as its factorization.

546317561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 38.

The square root of 546317561 is about 23373.4370814393. The cubic root of 546317561 is about 817.4886286204.

The spelling of 546317561 in words is "five hundred forty-six million, three hundred seventeen thousand, five hundred sixty-one".