43452441 has 6 divisors (see below), whose sum is σ = 62764650. Its totient is φ = 28968288.

The previous prime is 43452413. The next prime is 43452457. The reversal of 43452441 is 14425434.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 42968025 + 484416 = 6555^2 + 696^2 .

It is not a de Polignac number, because 43452441 - 2²² = 39258137 is a prime.

It is a super-2 number, since 2×43452441² = 3776229257716962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43452401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2414016 + ... + 2414033.

It is an arithmetic number, because the mean of its divisors is an integer number (10460775).

Almost surely, 2^43452441 is an apocalyptic number.

It is an amenable number.

43452441 is a deficient number, since it is larger than the sum of its proper divisors (19312209).

43452441 is a wasteful number, since it uses less digits than its factorization.

43452441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4828055 (or 4828052 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 43452441 is about 6591.8465546461. The cubic root of 43452441 is about 351.5642663852.

Adding to 43452441 its reverse (14425434), we get a palindrome (57877875).

It can be divided in two parts, 4345 and 2441, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 43452441 in words is "forty-three million, four hundred fifty-two thousand, four hundred forty-one".