205023541 has 8 divisors (see below), whose sum is σ = 218490624. Its totient is φ = 191935920.

The previous prime is 205023517. The next prime is 205023571. The reversal of 205023541 is 145320502.

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

It is not a de Polignac number, because 205023541 - 2¹⁷ = 204892469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205023571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93750 + ... + 95911.

It is an arithmetic number, because the mean of its divisors is an integer number (27311328).

Almost surely, 2^205023541 is an apocalyptic number.

It is an amenable number.

205023541 is a deficient number, since it is larger than the sum of its proper divisors (13467083).

205023541 is a wasteful number, since it uses less digits than its factorization.

205023541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189731.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 205023541 is about 14318.6431270564. The cubic root of 205023541 is about 589.6594232814.

The spelling of 205023541 in words is "two hundred five million, twenty-three thousand, five hundred forty-one".