43254561 has 8 divisors (see below), whose sum is σ = 65911744. Its totient is φ = 24716880.

The previous prime is 43254557. The next prime is 43254587. The reversal of 43254561 is 16545234.

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

It is not a de Polignac number, because 43254561 - 2² = 43254557 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43254521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029850 + ... + 1029891.

It is an arithmetic number, because the mean of its divisors is an integer number (8238968).

Almost surely, 2^43254561 is an apocalyptic number.

It is an amenable number.

43254561 is a deficient number, since it is larger than the sum of its proper divisors (22657183).

43254561 is a wasteful number, since it uses less digits than its factorization.

43254561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059751.

The product of its digits is 14400, while the sum is 30.

The square root of 43254561 is about 6576.8199762499. The cubic root of 43254561 is about 351.0297861915.

Adding to 43254561 its reverse (16545234), we get a palindrome (59799795).

The spelling of 43254561 in words is "forty-three million, two hundred fifty-four thousand, five hundred sixty-one".