254242843 has 8 divisors (see below), whose sum is σ = 255881808. Its totient is φ = 252609024.

The previous prime is 254242801. The next prime is 254242847. The reversal of 254242843 is 348242452.

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-254242843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254242799 and 254242808.

It is not an unprimeable number, because it can be changed into a prime (254242847) 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, 148971 + ... + 150667.

It is an arithmetic number, because the mean of its divisors is an integer number (31985226).

Almost surely, 2^254242843 is an apocalyptic number.

254242843 is a deficient number, since it is larger than the sum of its proper divisors (1638965).

254242843 is a wasteful number, since it uses less digits than its factorization.

254242843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573.

The product of its digits is 61440, while the sum is 34.

The square root of 254242843 is about 15944.9942928808. The cubic root of 254242843 is about 633.5043170541.

The spelling of 254242843 in words is "two hundred fifty-four million, two hundred forty-two thousand, eight hundred forty-three".