43441281 has 21 divisors (see below), whose sum is σ = 67977559. Its totient is φ = 26733096.

The previous prime is 43441271. The next prime is 43441283. The reversal of 43441281 is 18214434.

The square root of 43441281 is 6591.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 37271025 + 6170256 = 6105^2 + 2484^2 .

It is not a de Polignac number, because 43441281 - 2⁵ = 43441249 is a prime.

It is a super-2 number, since 2×43441281² = 3774289789841922, which contains 22 as substring.

Its product of digits (3072) is a multiple of the sum of its prime divisors (16).

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (43441283) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 3341631 + ... + 3341643.

Almost surely, 2^43441281 is an apocalyptic number.

43441281 is the 6591-st square number.

43441281 is the 3296-th centered octagonal number.

It is an amenable number.

43441281 is a deficient number, since it is larger than the sum of its proper divisors (24536278).

43441281 is an frugal number, since it uses more digits than its factorization.

43441281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 16 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The cubic root of 43441281 is about 351.5341660958.

It can be divided in two parts, 4344 and 1281, that added together give a square (5625 = 75²).

The spelling of 43441281 in words is "forty-three million, four hundred forty-one thousand, two hundred eighty-one".