543365541 has 12 divisors (see below), whose sum is σ = 785281068. Its totient is φ = 362049984.

The previous prime is 543365531. The next prime is 543365549. The reversal of 543365541 is 145563345.

543365541 is a `hidden beast` number, since 54 + 3 + 3 + 65 + 541 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 315204516 + 228161025 = 17754^2 + 15105^2 .

It is not a de Polignac number, because 543365541 - 2⁷ = 543365413 is a prime.

It is a super-3 number, since 3×543365541³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 543365496 and 543365505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543365549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2791 + ... + 33083.

It is an arithmetic number, because the mean of its divisors is an integer number (65440089).

Almost surely, 2^543365541 is an apocalyptic number.

It is an amenable number.

543365541 is a deficient number, since it is larger than the sum of its proper divisors (241915527).

543365541 is a wasteful number, since it uses less digits than its factorization.

543365541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32292 (or 32289 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 543365541 is about 23310.2025087728. The cubic root of 543365541 is about 816.0135387387.

The spelling of 543365541 in words is "five hundred forty-three million, three hundred sixty-five thousand, five hundred forty-one".