205030353 has 16 divisors (see below), whose sum is σ = 315769536. Its totient is φ = 116951040.

The previous prime is 205030351. The next prime is 205030361. The reversal of 205030353 is 353030502.

It is not a de Polignac number, because 205030353 - 2¹ = 205030351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205030351) 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, 182176 + ... + 183297.

It is an arithmetic number, because the mean of its divisors is an integer number (19735596).

Almost surely, 2^205030353 is an apocalyptic number.

It is an amenable number.

205030353 is a deficient number, since it is larger than the sum of its proper divisors (110739183).

205030353 is a wasteful number, since it uses less digits than its factorization.

205030353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365504.

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 205030353 is about 14318.8809967818. The cubic root of 205030353 is about 589.6659537762.

Adding to 205030353 its reverse (353030502), we get a palindrome (558060855).

The spelling of 205030353 in words is "two hundred five million, thirty thousand, three hundred fifty-three".