205250828 has 6 divisors (see below), whose sum is σ = 359188956. Its totient is φ = 102625412.

The previous prime is 205250813. The next prime is 205250831. The reversal of 205250828 is 828052502.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 205250794 and 205250803.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25656350 + ... + 25656357.

It is an arithmetic number, because the mean of its divisors is an integer number (59864826).

Almost surely, 2^205250828 is an apocalyptic number.

It is an amenable number.

205250828 is a deficient number, since it is larger than the sum of its proper divisors (153938128).

205250828 is a wasteful number, since it uses less digits than its factorization.

205250828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51312711 (or 51312709 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 205250828 is about 14326.5776792645. The cubic root of 205250828 is about 589.8772396129.

The spelling of 205250828 in words is "two hundred five million, two hundred fifty thousand, eight hundred twenty-eight".