255505025253 has 4 divisors (see below), whose sum is σ = 340673367008. Its totient is φ = 170336683500.

The previous prime is 255505025221. The next prime is 255505025261. The reversal of 255505025253 is 352520505552.

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 not a de Polignac number, because 255505025253 - 2⁵ = 255505025221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255505025053) 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, 42584170873 + ... + 42584170878.

It is an arithmetic number, because the mean of its divisors is an integer number (85168341752).

Almost surely, 2^255505025253 is an apocalyptic number.

It is an amenable number.

255505025253 is a deficient number, since it is larger than the sum of its proper divisors (85168341755).

255505025253 is an equidigital number, since it uses as much as digits as its factorization.

255505025253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85168341754.

The product of its (nonzero) digits is 375000, while the sum is 39.

The spelling of 255505025253 in words is "two hundred fifty-five billion, five hundred five million, twenty-five thousand, two hundred fifty-three".