500255555257 has 2 divisors, whose sum is σ = 500255555258. Its totient is φ = 500255555256.

The previous prime is 500255555221. The next prime is 500255555353. The reversal of 500255555257 is 752555552005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 500161542841 + 94012416 = 707221^2 + 9696^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500255555257 is a prime.

It is not a weakly prime, because it can be changed into another prime (500255555057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250127777628 + 250127777629.

It is an arithmetic number, because the mean of its divisors is an integer number (250127777629).

Almost surely, 2^500255555257 is an apocalyptic number.

It is an amenable number.

500255555257 is a deficient number, since it is larger than the sum of its proper divisors (1).

500255555257 is an equidigital number, since it uses as much as digits as its factorization.

500255555257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187500, while the sum is 46.

The spelling of 500255555257 in words is "five hundred billion, two hundred fifty-five million, five hundred fifty-five thousand, two hundred fifty-seven".