43043401 has 4 divisors (see below), whose sum is σ = 43060612. Its totient is φ = 43026192.

The previous prime is 43043393. The next prime is 43043411. The reversal of 43043401 is 10434034.

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 36917776 + 6125625 = 6076^2 + 2475^2 .

It is a cyclic number.

It is not a de Polignac number, because 43043401 - 2³ = 43043393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43043411) 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, 4050 + ... + 10123.

It is an arithmetic number, because the mean of its divisors is an integer number (10765153).

Almost surely, 2^43043401 is an apocalyptic number.

It is an amenable number.

43043401 is a deficient number, since it is larger than the sum of its proper divisors (17211).

43043401 is a wasteful number, since it uses less digits than its factorization.

43043401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17210.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 43043401 is about 6560.7469849096. The cubic root of 43043401 is about 350.4576353810.

Adding to 43043401 its reverse (10434034), we get a palindrome (53477435).

The spelling of 43043401 in words is "forty-three million, forty-three thousand, four hundred one".