255480251 has 16 divisors (see below), whose sum is σ = 302211840. Its totient is φ = 213697440.

The previous prime is 255480229. The next prime is 255480271. The reversal of 255480251 is 152084552.

It is a cyclic number.

It is not a de Polignac number, because 255480251 - 2⁶ = 255480187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255480221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16805 + ... + 28166.

It is an arithmetic number, because the mean of its divisors is an integer number (18888240).

Almost surely, 2^255480251 is an apocalyptic number.

255480251 is a deficient number, since it is larger than the sum of its proper divisors (46731589).

255480251 is a wasteful number, since it uses less digits than its factorization.

255480251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45026.

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 255480251 is about 15983.7495913819. The cubic root of 255480251 is about 634.5304160487.

The spelling of 255480251 in words is "two hundred fifty-five million, four hundred eighty thousand, two hundred fifty-one".