205230573 has 6 divisors (see below), whose sum is σ = 296444174. Its totient is φ = 136820376.

The previous prime is 205230569. The next prime is 205230577. The reversal of 205230573 is 375032502.

It is an interprime number because it is at equal distance from previous prime (205230569) and next prime (205230577).

It can be written as a sum of positive squares in only one way, i.e., 205119684 + 110889 = 14322^2 + 333^2 .

It is not a de Polignac number, because 205230573 - 2² = 205230569 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205230577) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11401690 + ... + 11401707.

Almost surely, 2^205230573 is an apocalyptic number.

It is an amenable number.

205230573 is a deficient number, since it is larger than the sum of its proper divisors (91213601).

205230573 is a wasteful number, since it uses less digits than its factorization.

205230573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22803403 (or 22803400 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 205230573 is about 14325.8707588754. The cubic root of 205230573 is about 589.8578351333.

The spelling of 205230573 in words is "two hundred five million, two hundred thirty thousand, five hundred seventy-three".