205343061 has 16 divisors (see below), whose sum is σ = 341349888. Its totient is φ = 106671600.

The previous prime is 205343059. The next prime is 205343077. The reversal of 205343061 is 160343502.

It is a happy number.

205343061 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 205343061 - 2¹ = 205343059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205345061) 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, 444235 + ... + 444696.

It is an arithmetic number, because the mean of its divisors is an integer number (21334368).

Almost surely, 2^205343061 is an apocalyptic number.

205343061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

205343061 is a deficient number, since it is larger than the sum of its proper divisors (136006827).

205343061 is a wasteful number, since it uses less digits than its factorization.

205343061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888952.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 205343061 is about 14329.7962651253. The cubic root of 205343061 is about 589.9655835521.

Adding to 205343061 its reverse (160343502), we get a palindrome (365686563).

The spelling of 205343061 in words is "two hundred five million, three hundred forty-three thousand, sixty-one".