255324561017 has 4 divisors (see below), whose sum is σ = 255330560640. Its totient is φ = 255318561396.

The previous prime is 255324560983. The next prime is 255324561031. The reversal of 255324561017 is 710165423552.

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 a de Polignac number, because none of the positive numbers 2^k-255324561017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255324501017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2935517 + ... + 3021242.

It is an arithmetic number, because the mean of its divisors is an integer number (63832640160).

Almost surely, 2^255324561017 is an apocalyptic number.

It is an amenable number.

255324561017 is a deficient number, since it is larger than the sum of its proper divisors (5999623).

255324561017 is an equidigital number, since it uses as much as digits as its factorization.

255324561017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5999622.

The product of its (nonzero) digits is 252000, while the sum is 41.

Adding to 255324561017 its reverse (710165423552), we get a palindrome (965489984569).

The spelling of 255324561017 in words is "two hundred fifty-five billion, three hundred twenty-four million, five hundred sixty-one thousand, seventeen".