11483281 has 4 divisors (see below), whose sum is σ = 11560500. Its totient is φ = 11406064.

The previous prime is 11483273. The next prime is 11483293. The reversal of 11483281 is 18238411.

11483281 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6170256 + 5313025 = 2484^2 + 2305^2 .

It is a cyclic number.

It is not a de Polignac number, because 11483281 - 2³ = 11483273 is a prime.

It is a super-3 number, since 3×11483281³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11483261) 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, 38386 + ... + 38683.

It is an arithmetic number, because the mean of its divisors is an integer number (2890125).

Almost surely, 2^11483281 is an apocalyptic number.

It is an amenable number.

11483281 is a deficient number, since it is larger than the sum of its proper divisors (77219).

11483281 is an equidigital number, since it uses as much as digits as its factorization.

11483281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77218.

The product of its digits is 1536, while the sum is 28.

The square root of 11483281 is about 3388.6990128957. The cubic root of 11483281 is about 225.6084338786.

The spelling of 11483281 in words is "eleven million, four hundred eighty-three thousand, two hundred eighty-one".