254353243 has 8 divisors (see below), whose sum is σ = 259148000. Its totient is φ = 249594048.

The previous prime is 254353193. The next prime is 254353261. The reversal of 254353243 is 342353452.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254353243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254353843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5773 + ... + 23281.

It is an arithmetic number, because the mean of its divisors is an integer number (32393500).

Almost surely, 2^254353243 is an apocalyptic number.

254353243 is a deficient number, since it is larger than the sum of its proper divisors (4794757).

254353243 is a wasteful number, since it uses less digits than its factorization.

254353243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17781.

The product of its digits is 43200, while the sum is 31.

The square root of 254353243 is about 15948.4558186678. The cubic root of 254353243 is about 633.5959994197.

The spelling of 254353243 in words is "two hundred fifty-four million, three hundred fifty-three thousand, two hundred forty-three".