255780275 has 12 divisors (see below), whose sum is σ = 321184800. Its totient is φ = 202032480.

The previous prime is 255780271. The next prime is 255780323. The reversal of 255780275 is 572087552.

It is not a de Polignac number, because 255780275 - 2² = 255780271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255780271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62780 + ... + 66729.

It is an arithmetic number, because the mean of its divisors is an integer number (26765400).

Almost surely, 2^255780275 is an apocalyptic number.

255780275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255780275 is a deficient number, since it is larger than the sum of its proper divisors (65404525).

255780275 is a wasteful number, since it uses less digits than its factorization.

255780275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129598 (or 129593 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 41.

The square root of 255780275 is about 15993.1321197569. The cubic root of 255780275 is about 634.7787064471.

The spelling of 255780275 in words is "two hundred fifty-five million, seven hundred eighty thousand, two hundred seventy-five".