254891443 has 4 divisors (see below), whose sum is σ = 254929248. Its totient is φ = 254853640.

The previous prime is 254891431. The next prime is 254891467. The reversal of 254891443 is 344198452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 254891443 - 2¹⁷ = 254760371 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254891396 and 254891405.

It is not an unprimeable number, because it can be changed into a prime (254871443) 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, 5728 + ... + 23293.

It is an arithmetic number, because the mean of its divisors is an integer number (63732312).

Almost surely, 2^254891443 is an apocalyptic number.

254891443 is a deficient number, since it is larger than the sum of its proper divisors (37805).

254891443 is an equidigital number, since it uses as much as digits as its factorization.

254891443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37804.

The product of its digits is 138240, while the sum is 40.

The square root of 254891443 is about 15965.3200093202. The cubic root of 254891443 is about 634.0425714530.

The spelling of 254891443 in words is "two hundred fifty-four million, eight hundred ninety-one thousand, four hundred forty-three".