11433481 has 4 divisors (see below), whose sum is σ = 11742532. Its totient is φ = 11124432.

The previous prime is 11433473. The next prime is 11433493. The reversal of 11433481 is 18433411.

11433481 is digitally balanced in base 2, because in such base 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 7513081 + 3920400 = 2741^2 + 1980^2 .

It is a cyclic number.

It is not a de Polignac number, because 11433481 - 2³ = 11433473 is a prime.

It is a super-2 number, since 2×11433481² = 261448975554722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11433431) 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, 154470 + ... + 154543.

It is an arithmetic number, because the mean of its divisors is an integer number (2935633).

Almost surely, 2^11433481 is an apocalyptic number.

It is an amenable number.

11433481 is a deficient number, since it is larger than the sum of its proper divisors (309051).

11433481 is an equidigital number, since it uses as much as digits as its factorization.

11433481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309050.

The product of its digits is 1152, while the sum is 25.

The square root of 11433481 is about 3381.3430763529. The cubic root of 11433481 is about 225.2818262718.

Adding to 11433481 its reverse (18433411), we get a palindrome (29866892).

It can be divided in two parts, 1143 and 3481, that added together give a square (4624 = 68²).

The spelling of 11433481 in words is "eleven million, four hundred thirty-three thousand, four hundred eighty-one".