208260281 has 8 divisors (see below), whose sum is σ = 215611200. Its totient is φ = 200920720.

The previous prime is 208260233. The next prime is 208260287. The reversal of 208260281 is 182062802.

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 208260281 - 2¹⁰ = 208259257 is a prime.

It is a super-2 number, since 2×208260281² = 86744689284397922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208260287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54140 + ... + 57858.

It is an arithmetic number, because the mean of its divisors is an integer number (26951400).

Almost surely, 2^208260281 is an apocalyptic number.

It is an amenable number.

208260281 is a deficient number, since it is larger than the sum of its proper divisors (7350919).

208260281 is a wasteful number, since it uses less digits than its factorization.

208260281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5679.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 208260281 is about 14431.2259008027. The cubic root of 208260281 is about 592.7462521531.

The spelling of 208260281 in words is "two hundred eight million, two hundred sixty thousand, two hundred eighty-one".