43254401 has 4 divisors (see below), whose sum is σ = 43286100. Its totient is φ = 43222704.

The previous prime is 43254377. The next prime is 43254427. The reversal of 43254401 is 10445234.

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 18054001 + 25200400 = 4249^2 + 5020^2 .

It is a cyclic number.

It is not a de Polignac number, because 43254401 - 2¹⁴ = 43238017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43254461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13706 + ... + 16563.

It is an arithmetic number, because the mean of its divisors is an integer number (10821525).

Almost surely, 2^43254401 is an apocalyptic number.

It is an amenable number.

43254401 is a deficient number, since it is larger than the sum of its proper divisors (31699).

43254401 is a wasteful number, since it uses less digits than its factorization.

43254401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31698.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 43254401 is about 6576.8078123053. The cubic root of 43254401 is about 351.0293533675.

Adding to 43254401 its reverse (10445234), we get a palindrome (53699635).

The spelling of 43254401 in words is "forty-three million, two hundred fifty-four thousand, four hundred one".