10208281 has 8 divisors (see below), whose sum is σ = 10358280. Its totient is φ = 10059648.

The previous prime is 10208273. The next prime is 10208287. The reversal of 10208281 is 18280201.

It can be written as a sum of positive squares in 4 ways, for example, as 256 + 10208025 = 16^2 + 3195^2 .

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 10208281 - 2³ = 10208273 is a prime.

It is a super-2 number, since 2×10208281² = 208418001949922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10208287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36715 + ... + 36991.

It is an arithmetic number, because the mean of its divisors is an integer number (1294785).

Almost surely, 2^10208281 is an apocalyptic number.

It is an amenable number.

10208281 is a deficient number, since it is larger than the sum of its proper divisors (149999).

10208281 is a wasteful number, since it uses less digits than its factorization.

10208281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 10208281 is about 3195.0400623466. The cubic root of 10208281 is about 216.9289622855.

Subtracting from 10208281 its product of nonzero digits (256), we obtain a square (10208025 = 3195²).

Adding to 10208281 its reverse (18280201), we get a palindrome (28488482).

The spelling of 10208281 in words is "ten million, two hundred eight thousand, two hundred eighty-one".