208030265 has 8 divisors (see below), whose sum is σ = 249765768. Its totient is φ = 166337920.

The previous prime is 208030159. The next prime is 208030267. The reversal of 208030265 is 562030802.

It can be written as a sum of positive squares in 4 ways, for example, as 25969216 + 182061049 = 5096^2 + 13493^2 .

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

It is not a de Polignac number, because 208030265 - 2²⁰ = 206981689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208030267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 989 + ... + 20421.

It is an arithmetic number, because the mean of its divisors is an integer number (31220721).

Almost surely, 2^208030265 is an apocalyptic number.

It is an amenable number.

208030265 is a deficient number, since it is larger than the sum of its proper divisors (41735503).

208030265 is a wasteful number, since it uses less digits than its factorization.

208030265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21579.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 208030265 is about 14423.2543137809. The cubic root of 208030265 is about 592.5279494492.

The spelling of 208030265 in words is "two hundred eight million, thirty thousand, two hundred sixty-five".