254254543 has 4 divisors (see below), whose sum is σ = 254290968. Its totient is φ = 254218120.

The previous prime is 254254519. The next prime is 254254549. The reversal of 254254543 is 345452452.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254254543 is a prime.

It is a super-2 number, since 2×254254543² = 129290745272277698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254254499 and 254254508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254254549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4093 + ... + 22918.

It is an arithmetic number, because the mean of its divisors is an integer number (63572742).

Almost surely, 2^254254543 is an apocalyptic number.

254254543 is a deficient number, since it is larger than the sum of its proper divisors (36425).

254254543 is an equidigital number, since it uses as much as digits as its factorization.

254254543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36424.

The product of its digits is 96000, while the sum is 34.

The square root of 254254543 is about 15945.3611749625. The cubic root of 254254543 is about 633.5140346489.

The spelling of 254254543 in words is "two hundred fifty-four million, two hundred fifty-four thousand, five hundred forty-three".