255512543 has 16 divisors (see below), whose sum is σ = 313238016. Its totient is φ = 205091040.

The previous prime is 255512531. The next prime is 255512561. The reversal of 255512543 is 345215552.

It is not a de Polignac number, because 255512543 - 2⁶ = 255512479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255512563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35555 + ... + 42132.

It is an arithmetic number, because the mean of its divisors is an integer number (19577376).

Almost surely, 2^255512543 is an apocalyptic number.

255512543 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

255512543 is a deficient number, since it is larger than the sum of its proper divisors (57725473).

255512543 is a wasteful number, since it uses less digits than its factorization.

255512543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77734.

The product of its digits is 30000, while the sum is 32.

The square root of 255512543 is about 15984.7597104242. The cubic root of 255512543 is about 634.5571492213.

The spelling of 255512543 in words is "two hundred fifty-five million, five hundred twelve thousand, five hundred forty-three".