546811457 has 2 divisors, whose sum is σ = 546811458. Its totient is φ = 546811456.

The previous prime is 546811439. The next prime is 546811459. The reversal of 546811457 is 754118645.

It is a Cunningham number, because it is equal to 23384²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 546811456 + 1 = 23384^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 546811457 - 2¹⁶ = 546745921 is a prime.

Together with 546811459, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_28686623 and since 546811457 and 28686623 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 (546811459) 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, 273405728 + 273405729.

It is an arithmetic number, because the mean of its divisors is an integer number (273405729).

Almost surely, 2^546811457 is an apocalyptic number.

It is an amenable number.

546811457 is a deficient number, since it is larger than the sum of its proper divisors (1).

546811457 is an equidigital number, since it uses as much as digits as its factorization.

546811457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 41.

The square root of 546811457 is about 23384.0000213821. Note that the first 4 decimals coincide. The cubic root of 546811457 is about 817.7349034264.

The spelling of 546811457 in words is "five hundred forty-six million, eight hundred eleven thousand, four hundred fifty-seven".