255533242 has 16 divisors (see below), whose sum is σ = 408585600. Its totient is φ = 119508480.

The previous prime is 255533233. The next prime is 255533249. The reversal of 255533242 is 242335552.

It is not an unprimeable number, because it can be changed into a prime (255533249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39559 + ... + 45562.

It is an arithmetic number, because the mean of its divisors is an integer number (25536600).

Almost surely, 2^255533242 is an apocalyptic number.

255533242 is a deficient number, since it is larger than the sum of its proper divisors (153052358).

255533242 is a wasteful number, since it uses less digits than its factorization.

255533242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85221.

The product of its digits is 36000, while the sum is 31.

The square root of 255533242 is about 15985.4071577799. The cubic root of 255533242 is about 634.5742838580.

Adding to 255533242 its reverse (242335552), we get a palindrome (497868794).

The spelling of 255533242 in words is "two hundred fifty-five million, five hundred thirty-three thousand, two hundred forty-two".