204730853 has 2 divisors, whose sum is σ = 204730854. Its totient is φ = 204730852.

The previous prime is 204730849. The next prime is 204730901. The reversal of 204730853 is 358037402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187607809 + 17123044 = 13697^2 + 4138^2 .

It is a cyclic number.

It is not a de Polignac number, because 204730853 - 2² = 204730849 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204730553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102365426 + 102365427.

It is an arithmetic number, because the mean of its divisors is an integer number (102365427).

Almost surely, 2^204730853 is an apocalyptic number.

It is an amenable number.

204730853 is a deficient number, since it is larger than the sum of its proper divisors (1).

204730853 is an equidigital number, since it uses as much as digits as its factorization.

204730853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 204730853 is about 14308.4189552864. The cubic root of 204730853 is about 589.3786938447.

The spelling of 204730853 in words is "two hundred four million, seven hundred thirty thousand, eight hundred fifty-three".