255316241 has 4 divisors (see below), whose sum is σ = 261253872. Its totient is φ = 249378612.

The previous prime is 255316223. The next prime is 255316253. The reversal of 255316241 is 142613552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255316241 - 2¹⁸ = 255054097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255319241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2968751 + ... + 2968836.

It is an arithmetic number, because the mean of its divisors is an integer number (65313468).

Almost surely, 2^255316241 is an apocalyptic number.

It is an amenable number.

255316241 is a deficient number, since it is larger than the sum of its proper divisors (5937631).

255316241 is an equidigital number, since it uses as much as digits as its factorization.

255316241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5937630.

The product of its digits is 7200, while the sum is 29.

The square root of 255316241 is about 15978.6182443915. The cubic root of 255316241 is about 634.3946043623.

Adding to 255316241 its reverse (142613552), we get a palindrome (397929793).

The spelling of 255316241 in words is "two hundred fifty-five million, three hundred sixteen thousand, two hundred forty-one".