255505050253 has 2 divisors, whose sum is σ = 255505050254. Its totient is φ = 255505050252.

The previous prime is 255505050239. The next prime is 255505050257. The reversal of 255505050253 is 352050505552.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156117443689 + 99387606564 = 395117^2 + 315258^2 .

It is a cyclic number.

It is not a de Polignac number, because 255505050253 - 2⁹ = 255505049741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255505050257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127752525126 + 127752525127.

It is an arithmetic number, because the mean of its divisors is an integer number (127752525127).

Almost surely, 2^255505050253 is an apocalyptic number.

It is an amenable number.

255505050253 is a deficient number, since it is larger than the sum of its proper divisors (1).

255505050253 is an equidigital number, since it uses as much as digits as its factorization.

255505050253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 187500, while the sum is 37.

The spelling of 255505050253 in words is "two hundred fifty-five billion, five hundred five million, fifty thousand, two hundred fifty-three".