255325442321 has 4 divisors (see below), whose sum is σ = 263561746944. Its totient is φ = 247089137700.

The previous prime is 255325442279. The next prime is 255325442353. The reversal of 255325442321 is 123244523552.

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 255325442321 - 2⁶ = 255325442257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255325042321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4118152265 + ... + 4118152326.

It is an arithmetic number, because the mean of its divisors is an integer number (65890436736).

Almost surely, 2^255325442321 is an apocalyptic number.

It is an amenable number.

255325442321 is a deficient number, since it is larger than the sum of its proper divisors (8236304623).

255325442321 is an equidigital number, since it uses as much as digits as its factorization.

255325442321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8236304622.

The product of its digits is 288000, while the sum is 38.

Adding to 255325442321 its reverse (123244523552), we get a palindrome (378569965873).

The spelling of 255325442321 in words is "two hundred fifty-five billion, three hundred twenty-five million, four hundred forty-two thousand, three hundred twenty-one".