205829853 has 16 divisors (see below), whose sum is σ = 282300480. Its totient is φ = 133301376.

The previous prime is 205829843. The next prime is 205829857. The reversal of 205829853 is 358928502.

It is not a de Polignac number, because 205829853 - 2⁴ = 205829837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205829857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103018 + ... + 104996.

It is an arithmetic number, because the mean of its divisors is an integer number (17643780).

Almost surely, 2^205829853 is an apocalyptic number.

It is an amenable number.

205829853 is a deficient number, since it is larger than the sum of its proper divisors (76470627).

205829853 is a wasteful number, since it uses less digits than its factorization.

205829853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 205829853 is about 14346.7715183591. The cubic root of 205829853 is about 590.4314119448.

The spelling of 205829853 in words is "two hundred five million, eight hundred twenty-nine thousand, eight hundred fifty-three".