546604081 has 4 divisors (see below), whose sum is σ = 553523200. Its totient is φ = 539684964.

The previous prime is 546604073. The next prime is 546604117. The reversal of 546604081 is 180406645.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 180406645 = 5 ⋅36081329.

It is a cyclic number.

It is not a de Polignac number, because 546604081 - 2³ = 546604073 is a prime.

It is a super-2 number, since 2×546604081² = 597552042731709122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (546604001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3459441 + ... + 3459598.

It is an arithmetic number, because the mean of its divisors is an integer number (138380800).

Almost surely, 2^546604081 is an apocalyptic number.

It is an amenable number.

546604081 is a deficient number, since it is larger than the sum of its proper divisors (6919119).

546604081 is an equidigital number, since it uses as much as digits as its factorization.

546604081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6919118.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 546604081 is about 23379.5654578951. The cubic root of 546604081 is about 817.6315161540.

The spelling of 546604081 in words is "five hundred forty-six million, six hundred four thousand, eighty-one".