10943281 has 4 divisors (see below), whose sum is σ = 11149812. Its totient is φ = 10736752.

The previous prime is 10943267. The next prime is 10943287. The reversal of 10943281 is 18234901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18234901 = 349 ⋅52249.

It can be written as a sum of positive squares in 2 ways, for example, as 9859600 + 1083681 = 3140^2 + 1041^2 .

It is a cyclic number.

It is not a de Polignac number, because 10943281 - 2¹⁵ = 10910513 is a prime.

It is a super-2 number, since 2×10943281² = 239510798089922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10943287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103186 + ... + 103291.

It is an arithmetic number, because the mean of its divisors is an integer number (2787453).

Almost surely, 2^10943281 is an apocalyptic number.

It is an amenable number.

10943281 is a deficient number, since it is larger than the sum of its proper divisors (206531).

10943281 is an equidigital number, since it uses as much as digits as its factorization.

10943281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206530.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 10943281 is about 3308.0630284201. The cubic root of 10943281 is about 222.0151019134.

The spelling of 10943281 in words is "ten million, nine hundred forty-three thousand, two hundred eighty-one".