546535521 has 24 divisors (see below), whose sum is σ = 902865600. Its totient is φ = 312081696.

The previous prime is 546535519. The next prime is 546535531. The reversal of 546535521 is 125535645.

546535521 is a `hidden beast` number, since 54 + 6 + 53 + 552 + 1 = 666.

It is not a de Polignac number, because 546535521 - 2¹ = 546535519 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (546535501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130171 + ... + 134303.

It is an arithmetic number, because the mean of its divisors is an integer number (37619400).

Almost surely, 2^546535521 is an apocalyptic number.

It is an amenable number.

546535521 is a deficient number, since it is larger than the sum of its proper divisors (356330079).

546535521 is a wasteful number, since it uses less digits than its factorization.

546535521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6245 (or 6242 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 546535521 is about 23378.0991742271. The cubic root of 546535521 is about 817.5973298251.

The spelling of 546535521 in words is "five hundred forty-six million, five hundred thirty-five thousand, five hundred twenty-one".