204425519 has 2 divisors, whose sum is σ = 204425520. Its totient is φ = 204425518.

The previous prime is 204425497. The next prime is 204425537. The reversal of 204425519 is 915524402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204425519 - 2¹² = 204421423 is a prime.

It is a super-2 number, since 2×204425519² = 83579585636838722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204425539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102212759 + 102212760.

It is an arithmetic number, because the mean of its divisors is an integer number (102212760).

Almost surely, 2^204425519 is an apocalyptic number.

204425519 is a deficient number, since it is larger than the sum of its proper divisors (1).

204425519 is an equidigital number, since it uses as much as digits as its factorization.

204425519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 204425519 is about 14297.7452418205. The cubic root of 204425519 is about 589.0855498006.

The spelling of 204425519 in words is "two hundred four million, four hundred twenty-five thousand, five hundred nineteen".