205314261 has 8 divisors (see below), whose sum is σ = 285654720. Its totient is φ = 130924992.

The previous prime is 205314143. The next prime is 205314269. The reversal of 205314261 is 162413502.

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

It is not a de Polignac number, because 205314261 - 2¹⁰ = 205313237 is a prime.

It is a super-2 number, since 2×205314261² = 84307891539952242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205314269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1487716 + ... + 1487853.

It is an arithmetic number, because the mean of its divisors is an integer number (35706840).

Almost surely, 2^205314261 is an apocalyptic number.

It is an amenable number.

205314261 is a deficient number, since it is larger than the sum of its proper divisors (80340459).

205314261 is a wasteful number, since it uses less digits than its factorization.

205314261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975595.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 205314261 is about 14328.7913307438. The cubic root of 205314261 is about 589.9380007627.

Adding to 205314261 its reverse (162413502), we get a palindrome (367727763).

The spelling of 205314261 in words is "two hundred five million, three hundred fourteen thousand, two hundred sixty-one".