205012353 has 16 divisors (see below), whose sum is σ = 336430976. Its totient is φ = 108138240.

The previous prime is 205012343. The next prime is 205012369. The reversal of 205012353 is 353210502.

It is not a de Polignac number, because 205012353 - 2⁶ = 205012289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (205012343) 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, 375208 + ... + 375753.

It is an arithmetic number, because the mean of its divisors is an integer number (21026936).

Almost surely, 2^205012353 is an apocalyptic number.

It is an amenable number.

205012353 is a deficient number, since it is larger than the sum of its proper divisors (131418623).

205012353 is a wasteful number, since it uses less digits than its factorization.

205012353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750984.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 205012353 is about 14318.2524422501. The cubic root of 205012353 is about 589.6486973105.

Adding to 205012353 its reverse (353210502), we get a palindrome (558222855).

The spelling of 205012353 in words is "two hundred five million, twelve thousand, three hundred fifty-three".