205313355 has 24 divisors (see below), whose sum is σ = 383252688. Its totient is φ = 101077056.

The previous prime is 205313351. The next prime is 205313357. The reversal of 205313355 is 553313502.

It is not a de Polignac number, because 205313355 - 2² = 205313351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205313351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174897 + ... + 176066.

It is an arithmetic number, because the mean of its divisors is an integer number (15968862).

Almost surely, 2^205313355 is an apocalyptic number.

205313355 is a deficient number, since it is larger than the sum of its proper divisors (177939333).

205313355 is a wasteful number, since it uses less digits than its factorization.

205313355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350987 (or 350984 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 205313355 is about 14328.7597160396. The cubic root of 205313355 is about 589.9371330123.

Adding to 205313355 its reverse (553313502), we get a palindrome (758626857).

The spelling of 205313355 in words is "two hundred five million, three hundred thirteen thousand, three hundred fifty-five".