255907 has 2 divisors, whose sum is σ = 255908.
Its totient is φ = 255906.
The previous prime is 255887. The next prime is 255917. The reversal of 255907 is 709552.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-255907 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (255917) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127953 + 127954.
It is an arithmetic number, because the mean of its divisors is an integer number (127954).
2255907 is an apocalyptic number.
255907 is a deficient number, since it is larger than the sum of its proper divisors (1).
255907 is an equidigital number, since it uses as much as digits as its factorization.
255907 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3150, while the sum is 28.
The square root of 255907 is about 505.8725135842.
The cubic root of 255907 is about 63.4883521736.
The spelling of 255907 in words is "two hundred fifty-five thousand, nine hundred seven".