546346813 has 2 divisors, whose sum is σ = 546346814. Its totient is φ = 546346812.

The previous prime is 546346811. The next prime is 546346831. The reversal of 546346813 is 318643645.

Together with next prime (546346831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323352324 + 222994489 = 17982^2 + 14933^2 .

It is a cyclic number.

It is not a de Polignac number, because 546346813 - 2¹ = 546346811 is a prime.

Together with 546346811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546346811) 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, 273173406 + 273173407.

It is an arithmetic number, because the mean of its divisors is an integer number (273173407).

Almost surely, 2^546346813 is an apocalyptic number.

It is an amenable number.

546346813 is a deficient number, since it is larger than the sum of its proper divisors (1).

546346813 is an equidigital number, since it uses as much as digits as its factorization.

546346813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 40.

The square root of 546346813 is about 23374.0628261327. The cubic root of 546346813 is about 817.5032188834.

The spelling of 546346813 in words is "five hundred forty-six million, three hundred forty-six thousand, eight hundred thirteen".