255241242 has 24 divisors (see below), whose sum is σ = 553333716. Its totient is φ = 85032576.

The previous prime is 255241229. The next prime is 255241253. The reversal of 255241242 is 242142552.

It can be written as a sum of positive squares in 2 ways, for example, as 249292521 + 5948721 = 15789^2 + 2439^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45538 + ... + 50834.

Almost surely, 2^255241242 is an apocalyptic number.

255241242 is an abundant number, since it is smaller than the sum of its proper divisors (298092474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255241242 is a wasteful number, since it uses less digits than its factorization.

255241242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7982 (or 7979 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 255241242 is about 15976.2712170268. The cubic root of 255241242 is about 634.3324805947.

Adding to 255241242 its reverse (242142552), we get a palindrome (497383794).

The spelling of 255241242 in words is "two hundred fifty-five million, two hundred forty-one thousand, two hundred forty-two".