255505425 has 24 divisors (see below), whose sum is σ = 482784576. Its totient is φ = 116802240.

The previous prime is 255505423. The next prime is 255505429. The reversal of 255505425 is 524505552.

255505425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 255505425 - 2¹ = 255505423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255505423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242814 + ... + 243863.

It is an arithmetic number, because the mean of its divisors is an integer number (20116024).

Almost surely, 2^255505425 is an apocalyptic number.

255505425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255505425 is a deficient number, since it is larger than the sum of its proper divisors (227279151).

255505425 is a wasteful number, since it uses less digits than its factorization.

255505425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486697 (or 486692 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 33.

The square root of 255505425 is about 15984.5370592958. The cubic root of 255505425 is about 634.5512567256.

The spelling of 255505425 in words is "two hundred fifty-five million, five hundred five thousand, four hundred twenty-five".