546964181 has 2 divisors, whose sum is σ = 546964182. Its totient is φ = 546964180.

The previous prime is 546964147. The next prime is 546964189. The reversal of 546964181 is 181469645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 484396081 + 62568100 = 22009^2 + 7910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-546964181 is a prime.

It is a super-2 number, since 2×546964181² = 598339630594001522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546964189) 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, 273482090 + 273482091.

It is an arithmetic number, because the mean of its divisors is an integer number (273482091).

Almost surely, 2^546964181 is an apocalyptic number.

It is an amenable number.

546964181 is a deficient number, since it is larger than the sum of its proper divisors (1).

546964181 is an equidigital number, since it uses as much as digits as its factorization.

546964181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 44.

The square root of 546964181 is about 23387.2653595926. The cubic root of 546964181 is about 817.8110272399.

The spelling of 546964181 in words is "five hundred forty-six million, nine hundred sixty-four thousand, one hundred eighty-one".