546581089 has 2 divisors, whose sum is σ = 546581090. Its totient is φ = 546581088.

The previous prime is 546581083. The next prime is 546581107. The reversal of 546581089 is 980185645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 504227025 + 42354064 = 22455^2 + 6508^2 .

It is a cyclic number.

It is not a de Polignac number, because 546581089 - 2³ = 546581081 is a prime.

It is not a weakly prime, because it can be changed into another prime (546581081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273290544 + 273290545.

It is an arithmetic number, because the mean of its divisors is an integer number (273290545).

Almost surely, 2^546581089 is an apocalyptic number.

It is an amenable number.

546581089 is a deficient number, since it is larger than the sum of its proper divisors (1).

546581089 is an equidigital number, since it uses as much as digits as its factorization.

546581089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 546581089 is about 23379.0737412756. The cubic root of 546581089 is about 817.6200518858.

The spelling of 546581089 in words is "five hundred forty-six million, five hundred eighty-one thousand, eighty-nine".