43331401 has 8 divisors (see below), whose sum is σ = 44437184. Its totient is φ = 42230160.

The previous prime is 43331399. The next prime is 43331441. The reversal of 43331401 is 10413334.

43331401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a 3-Lehmer number, since φ(43331401) divides (43331401-1)³.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 43331401 - 2¹ = 43331399 is a prime.

It is a super-2 number, since 2×43331401² = 3755220625245602, which contains 22 as substring.

It is a deceptive number, since it divides R_43331400.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43331441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26335 + ... + 27931.

It is an arithmetic number, because the mean of its divisors is an integer number (5554648).

It is a Poulet number, since it divides 2^43331400-1.

Almost surely, 2^43331401 is an apocalyptic number.

43331401 is the 3801-st hex number.

It is an amenable number.

43331401 is a deficient number, since it is larger than the sum of its proper divisors (1105783).

43331401 is a wasteful number, since it uses less digits than its factorization.

43331401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 43331401 is about 6582.6591131548. The cubic root of 43331401 is about 351.2375266907.

Adding to 43331401 its reverse (10413334), we get a palindrome (53744735).

The spelling of 43331401 in words is "forty-three million, three hundred thirty-one thousand, four hundred one".