204108019 has 2 divisors, whose sum is σ = 204108020. Its totient is φ = 204108018.

The previous prime is 204107987. The next prime is 204108041. The reversal of 204108019 is 910801402.

It is a happy number.

204108019 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 204108019 - 2⁵ = 204107987 is a prime.

It is a super-2 number, since 2×204108019² = 83320166840208722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204107984 and 204108002.

It is not a weakly prime, because it can be changed into another prime (204100019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102054009 + 102054010.

It is an arithmetic number, because the mean of its divisors is an integer number (102054010).

Almost surely, 2^204108019 is an apocalyptic number.

204108019 is a deficient number, since it is larger than the sum of its proper divisors (1).

204108019 is an equidigital number, since it uses as much as digits as its factorization.

204108019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 204108019 is about 14286.6377780078. The cubic root of 204108019 is about 588.7804157245.

The spelling of 204108019 in words is "two hundred four million, one hundred eight thousand, nineteen".