205155341 has 8 divisors (see below), whose sum is σ = 207962904. Its totient is φ = 202363200.

The previous prime is 205155311. The next prime is 205155373. The reversal of 205155341 is 143551502.

It can be written as a sum of positive squares in 4 ways, for example, as 4932841 + 200222500 = 2221^2 + 14150^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205155341 - 2⁶ = 205155277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 205155341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205155311) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 24311 + ... + 31643.

It is an arithmetic number, because the mean of its divisors is an integer number (25995363).

Almost surely, 2^205155341 is an apocalyptic number.

It is an amenable number.

205155341 is a deficient number, since it is larger than the sum of its proper divisors (2807563).

205155341 is a wasteful number, since it uses less digits than its factorization.

205155341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7711.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 205155341 is about 14323.2447790296. The cubic root of 205155341 is about 589.7857509932.

The spelling of 205155341 in words is "two hundred five million, one hundred fifty-five thousand, three hundred forty-one".