204624247 has 2 divisors, whose sum is σ = 204624248. Its totient is φ = 204624246.

The previous prime is 204624209. The next prime is 204624269. The reversal of 204624247 is 742426402.

204624247 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 204624247 - 2²³ = 196235639 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204624047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102312123 + 102312124.

It is an arithmetic number, because the mean of its divisors is an integer number (102312124).

Almost surely, 2^204624247 is an apocalyptic number.

204624247 is a deficient number, since it is larger than the sum of its proper divisors (1).

204624247 is an equidigital number, since it uses as much as digits as its factorization.

204624247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 204624247 is about 14304.6931809109. The cubic root of 204624247 is about 589.2763770502.

The spelling of 204624247 in words is "two hundred four million, six hundred twenty-four thousand, two hundred forty-seven".