255601267 has 2 divisors, whose sum is σ = 255601268. Its totient is φ = 255601266.

The previous prime is 255601249. The next prime is 255601301. The reversal of 255601267 is 762106552.

It is an a-pointer prime, because the next prime (255601301) can be obtained adding 255601267 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255601267 is a prime.

It is not a weakly prime, because it can be changed into another prime (255601237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127800633 + 127800634.

It is an arithmetic number, because the mean of its divisors is an integer number (127800634).

Almost surely, 2^255601267 is an apocalyptic number.

255601267 is a deficient number, since it is larger than the sum of its proper divisors (1).

255601267 is an equidigital number, since it uses as much as digits as its factorization.

255601267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 255601267 is about 15987.5347380389. The cubic root of 255601267 is about 634.6305884513.

The spelling of 255601267 in words is "two hundred fifty-five million, six hundred one thousand, two hundred sixty-seven".