546110021 has 2 divisors, whose sum is σ = 546110022. Its totient is φ = 546110020.

The previous prime is 546109961. The next prime is 546110029. The reversal of 546110021 is 120011645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343360900 + 202749121 = 18530^2 + 14239^2 .

It is a cyclic number.

It is not a de Polignac number, because 546110021 - 2⁶ = 546109957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 546109975 and 546110002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546110029) 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, 273055010 + 273055011.

It is an arithmetic number, because the mean of its divisors is an integer number (273055011).

Almost surely, 2^546110021 is an apocalyptic number.

It is an amenable number.

546110021 is a deficient number, since it is larger than the sum of its proper divisors (1).

546110021 is an equidigital number, since it uses as much as digits as its factorization.

546110021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 546110021 is about 23368.9970045785. The cubic root of 546110021 is about 817.3850972126.

Adding to 546110021 its reverse (120011645), we get a palindrome (666121666).

The spelling of 546110021 in words is "five hundred forty-six million, one hundred ten thousand, twenty-one".