255065261 has 8 divisors (see below), whose sum is σ = 278534784. Its totient is φ = 231642720.

The previous prime is 255065257. The next prime is 255065267. The reversal of 255065261 is 162560552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255065261 - 2² = 255065257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255065267) 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 7 ways as a sum of consecutive naturals, for example, 140 + ... + 22586.

It is an arithmetic number, because the mean of its divisors is an integer number (34816848).

Almost surely, 2^255065261 is an apocalyptic number.

It is an amenable number.

255065261 is a deficient number, since it is larger than the sum of its proper divisors (23469523).

255065261 is a wasteful number, since it uses less digits than its factorization.

255065261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23491.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 255065261 is about 15970.7626931215. The cubic root of 255065261 is about 634.1866628206.

The spelling of 255065261 in words is "two hundred fifty-five million, sixty-five thousand, two hundred sixty-one".