205616541 has 8 divisors (see below), whose sum is σ = 295244320. Its totient is φ = 126533232.

The previous prime is 205616533. The next prime is 205616557. The reversal of 205616541 is 145616502.

205616541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 205616541 - 2³ = 205616533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 205616499 and 205616508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205616591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2636071 + ... + 2636148.

It is an arithmetic number, because the mean of its divisors is an integer number (36905540).

Almost surely, 2^205616541 is an apocalyptic number.

It is an amenable number.

205616541 is a deficient number, since it is larger than the sum of its proper divisors (89627779).

205616541 is a wasteful number, since it uses less digits than its factorization.

205616541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5272235.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 205616541 is about 14339.3354448524. The cubic root of 205616541 is about 590.2273766915.

The spelling of 205616541 in words is "two hundred five million, six hundred sixteen thousand, five hundred forty-one".