204530479 has 2 divisors, whose sum is σ = 204530480. Its totient is φ = 204530478.

The previous prime is 204530453. The next prime is 204530503. The reversal of 204530479 is 974035402.

204530479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204530479 - 2⁷ = 204530351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204530419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102265239 + 102265240.

It is an arithmetic number, because the mean of its divisors is an integer number (102265240).

Almost surely, 2^204530479 is an apocalyptic number.

204530479 is a deficient number, since it is larger than the sum of its proper divisors (1).

204530479 is an equidigital number, since it uses as much as digits as its factorization.

204530479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 204530479 is about 14301.4152796148. The cubic root of 204530479 is about 589.1863523497.

The spelling of 204530479 in words is "two hundred four million, five hundred thirty thousand, four hundred seventy-nine".