43421254 has 8 divisors (see below), whose sum is σ = 65186280. Its totient is φ = 21692496.

The previous prime is 43421249. The next prime is 43421269. The reversal of 43421254 is 45212434.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5844 + ... + 10999.

It is an arithmetic number, because the mean of its divisors is an integer number (8148285).

Almost surely, 2^43421254 is an apocalyptic number.

43421254 is a deficient number, since it is larger than the sum of its proper divisors (21765026).

43421254 is a wasteful number, since it uses less digits than its factorization.

43421254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18134.

The product of its digits is 3840, while the sum is 25.

The square root of 43421254 is about 6589.4805561592. The cubic root of 43421254 is about 351.4801371727.

Adding to 43421254 its reverse (45212434), we get a palindrome (88633688).

The spelling of 43421254 in words is "forty-three million, four hundred twenty-one thousand, two hundred fifty-four".