546522121 has 2 divisors, whose sum is σ = 546522122. Its totient is φ = 546522120.

The previous prime is 546522089. The next prime is 546522143. The reversal of 546522121 is 121225645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 491242896 + 55279225 = 22164^2 + 7435^2 .

It is a cyclic number.

It is not a de Polignac number, because 546522121 - 2⁵ = 546522089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 546522121.

It is not a weakly prime, because it can be changed into another prime (546522191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273261060 + 273261061.

It is an arithmetic number, because the mean of its divisors is an integer number (273261061).

Almost surely, 2^546522121 is an apocalyptic number.

It is an amenable number.

546522121 is a deficient number, since it is larger than the sum of its proper divisors (1).

546522121 is an equidigital number, since it uses as much as digits as its factorization.

546522121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 28.

The square root of 546522121 is about 23377.8125794523. The cubic root of 546522121 is about 817.5906477991.

Adding to 546522121 its reverse (121225645), we get a palindrome (667747766).

The spelling of 546522121 in words is "five hundred forty-six million, five hundred twenty-two thousand, one hundred twenty-one".