205345250 has 64 divisors (see below), whose sum is σ = 424569600. Its totient is φ = 73744000.

The previous prime is 205345247. The next prime is 205345289. The reversal of 205345250 is 52543502.

205345250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244331 + ... + 245169.

It is an arithmetic number, because the mean of its divisors is an integer number (6633900).

Almost surely, 2^205345250 is an apocalyptic number.

205345250 is an abundant number, since it is smaller than the sum of its proper divisors (219224350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205345250 is a wasteful number, since it uses less digits than its factorization.

205345250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 205345250 is about 14329.8726442352. The cubic root of 205345250 is about 589.9676799302.

Adding to 205345250 its reverse (52543502), we get a palindrome (257888752).

It can be divided in two parts, 2053452 and 50, that added together give a palindrome (2053502).

The spelling of 205345250 in words is "two hundred five million, three hundred forty-five thousand, two hundred fifty".