255542343 has 16 divisors (see below), whose sum is σ = 409893120. Its totient is φ = 138338496.

The previous prime is 255542341. The next prime is 255542363. The reversal of 255542343 is 343245552.

It is a happy number.

It is not a de Polignac number, because 255542343 - 2¹ = 255542341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255542341) 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, 319830 + ... + 320627.

It is an arithmetic number, because the mean of its divisors is an integer number (25618320).

Almost surely, 2^255542343 is an apocalyptic number.

255542343 is a deficient number, since it is larger than the sum of its proper divisors (154350777).

255542343 is a wasteful number, since it uses less digits than its factorization.

255542343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640486.

The product of its digits is 72000, while the sum is 33.

The square root of 255542343 is about 15985.6918211255. The cubic root of 255542343 is about 634.5818173749.

Adding to 255542343 its reverse (343245552), we get a palindrome (598787895).

The spelling of 255542343 in words is "two hundred fifty-five million, five hundred forty-two thousand, three hundred forty-three".