204713017 has 4 divisors (see below), whose sum is σ = 204924816. Its totient is φ = 204501220.

The previous prime is 204712999. The next prime is 204713021. The reversal of 204713017 is 710317402.

It is a happy number.

204713017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204713017 - 2¹¹ = 204710969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204712982 and 204713000.

It is not an unprimeable number, because it can be changed into a prime (204713077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104443 + ... + 106384.

It is an arithmetic number, because the mean of its divisors is an integer number (51231204).

Almost surely, 2^204713017 is an apocalyptic number.

It is an amenable number.

204713017 is a deficient number, since it is larger than the sum of its proper divisors (211799).

204713017 is an equidigital number, since it uses as much as digits as its factorization.

204713017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211798.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 204713017 is about 14307.7956722900. The cubic root of 204713017 is about 589.3615779362.

The spelling of 204713017 in words is "two hundred four million, seven hundred thirteen thousand, seventeen".