11452281 has 8 divisors (see below), whose sum is σ = 15297600. Its totient is φ = 7620912.

The previous prime is 11452279. The next prime is 11452291. The reversal of 11452281 is 18225411.

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

It is not a de Polignac number, because 11452281 - 2¹ = 11452279 is a prime.

It is a super-2 number, since 2×11452281² = 262309480205922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11452291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1390 + ... + 4983.

It is an arithmetic number, because the mean of its divisors is an integer number (1912200).

Almost surely, 2^11452281 is an apocalyptic number.

It is an amenable number.

11452281 is a deficient number, since it is larger than the sum of its proper divisors (3845319).

11452281 is an equidigital number, since it uses as much as digits as its factorization.

11452281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6975.

The product of its digits is 640, while the sum is 24.

The square root of 11452281 is about 3384.1218949677. The cubic root of 11452281 is about 225.4052351472.

Adding to 11452281 its reverse (18225411), we get a palindrome (29677692).

The spelling of 11452281 in words is "eleven million, four hundred fifty-two thousand, two hundred eighty-one".