546984409 has 2 divisors, whose sum is σ = 546984410. Its totient is φ = 546984408.

The previous prime is 546984379. The next prime is 546984437. The reversal of 546984409 is 904489645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 516425625 + 30558784 = 22725^2 + 5528^2 .

It is a cyclic number.

It is not a de Polignac number, because 546984409 - 2⁹ = 546983897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (546984439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273492204 + 273492205.

It is an arithmetic number, because the mean of its divisors is an integer number (273492205).

Almost surely, 2^546984409 is an apocalyptic number.

It is an amenable number.

546984409 is a deficient number, since it is larger than the sum of its proper divisors (1).

546984409 is an equidigital number, since it uses as much as digits as its factorization.

546984409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 546984409 is about 23387.6978131666. The cubic root of 546984409 is about 817.8211086298.

The spelling of 546984409 in words is "five hundred forty-six million, nine hundred eighty-four thousand, four hundred nine".