255234242 has 4 divisors (see below), whose sum is σ = 382851366. Its totient is φ = 127617120.

The previous prime is 255234241. The next prime is 255234247. The reversal of 255234242 is 242432552.

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

It can be written as a sum of positive squares in only one way, i.e., 189640441 + 65593801 = 13771^2 + 8099^2 .

It is not an unprimeable number, because it can be changed into a prime (255234241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63808559 + ... + 63808562.

Almost surely, 2^255234242 is an apocalyptic number.

255234242 is a deficient number, since it is larger than the sum of its proper divisors (127617124).

255234242 is a wasteful number, since it uses less digits than its factorization.

255234242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127617123.

The product of its digits is 19200, while the sum is 29.

The square root of 255234242 is about 15976.0521406260. The cubic root of 255234242 is about 634.3266816782.

Adding to 255234242 its reverse (242432552), we get a palindrome (497666794).

The spelling of 255234242 in words is "two hundred fifty-five million, two hundred thirty-four thousand, two hundred forty-two".