546977813 has 2 divisors, whose sum is σ = 546977814. Its totient is φ = 546977812.

The previous prime is 546977807. The next prime is 546977819. The reversal of 546977813 is 318779645.

546977813 = 16537² + 16538².

It is a balanced prime because it is at equal distance from previous prime (546977807) and next prime (546977819).

It can be written as a sum of positive squares in only one way, i.e., 273505444 + 273472369 = 16538^2 + 16537^2 .

It is a cyclic number.

It is not a de Polignac number, because 546977813 - 2⁴ = 546977797 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546977819) 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, 273488906 + 273488907.

It is an arithmetic number, because the mean of its divisors is an integer number (273488907).

Almost surely, 2^546977813 is an apocalyptic number.

546977813 is the 16538-th centered square number.

It is an amenable number.

546977813 is a deficient number, since it is larger than the sum of its proper divisors (1).

546977813 is an equidigital number, since it uses as much as digits as its factorization.

546977813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 50.

The square root of 546977813 is about 23387.5567984345. The cubic root of 546977813 is about 817.8178212907.

The spelling of 546977813 in words is "five hundred forty-six million, nine hundred seventy-seven thousand, eight hundred thirteen".