546721065 has 48 divisors (see below), whose sum is σ = 1061775936. Its totient is φ = 257904000.

The previous prime is 546721051. The next prime is 546721069. The reversal of 546721065 is 560127645.

It is a happy number.

546721065 is a `hidden beast` number, since 546 + 7 + 2 + 106 + 5 = 666.

It is not a de Polignac number, because 546721065 - 2²⁶ = 479612201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (546721069) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3390 + ... + 33240.

It is an arithmetic number, because the mean of its divisors is an integer number (22120332).

Almost surely, 2^546721065 is an apocalyptic number.

546721065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

546721065 is a deficient number, since it is larger than the sum of its proper divisors (515054871).

546721065 is a wasteful number, since it uses less digits than its factorization.

546721065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29910 (or 29907 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 546721065 is about 23382.0671669551. The cubic root of 546721065 is about 817.6898417232.

The spelling of 546721065 in words is "five hundred forty-six million, seven hundred twenty-one thousand, sixty-five".