205250829 has 16 divisors (see below), whose sum is σ = 313246848. Its totient is φ = 117104832.

The previous prime is 205250813. The next prime is 205250831. The reversal of 205250829 is 928052502.

205250829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 205250829 - 2⁴ = 205250813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 205250829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205250839) 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, 6999 + ... + 21435.

It is an arithmetic number, because the mean of its divisors is an integer number (19577928).

Almost surely, 2^205250829 is an apocalyptic number.

It is an amenable number.

205250829 is a deficient number, since it is larger than the sum of its proper divisors (107996019).

205250829 is a wasteful number, since it uses less digits than its factorization.

205250829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15124.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 205250829 is about 14326.5777141647. The cubic root of 205250829 is about 589.8772405709.

The spelling of 205250829 in words is "two hundred five million, two hundred fifty thousand, eight hundred twenty-nine".