546406321 has 2 divisors, whose sum is σ = 546406322. Its totient is φ = 546406320.

The previous prime is 546406283. The next prime is 546406327. The reversal of 546406321 is 123604645.

546406321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 338008225 + 208398096 = 18385^2 + 14436^2 .

It is a cyclic number.

It is not a de Polignac number, because 546406321 - 2⁹ = 546405809 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (546406327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273203160 + 273203161.

It is an arithmetic number, because the mean of its divisors is an integer number (273203161).

Almost surely, 2^546406321 is an apocalyptic number.

It is an amenable number.

546406321 is a deficient number, since it is larger than the sum of its proper divisors (1).

546406321 is an equidigital number, since it uses as much as digits as its factorization.

546406321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 546406321 is about 23375.3357409043. The cubic root of 546406321 is about 817.5328985754.

The spelling of 546406321 in words is "five hundred forty-six million, four hundred six thousand, three hundred twenty-one".