208125019 has 8 divisors (see below), whose sum is σ = 209392128. Its totient is φ = 206862120.

The previous prime is 208125017. The next prime is 208125077. The reversal of 208125019 is 910521802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 208125019 - 2¹ = 208125017 is a prime.

It is a super-2 number, since 2×208125019² = 86632047067500722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208125013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174744 + ... + 175930.

It is an arithmetic number, because the mean of its divisors is an integer number (26174016).

Almost surely, 2^208125019 is an apocalyptic number.

208125019 is a deficient number, since it is larger than the sum of its proper divisors (1267109).

208125019 is a wasteful number, since it uses less digits than its factorization.

208125019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 208125019 is about 14426.5387047621. The cubic root of 208125019 is about 592.6178976934.

The spelling of 208125019 in words is "two hundred eight million, one hundred twenty-five thousand, nineteen".