255808067 has 4 divisors (see below), whose sum is σ = 258155040. Its totient is φ = 253461096.

The previous prime is 255808013. The next prime is 255808073. The reversal of 255808067 is 760808552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255808067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255808087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1173323 + ... + 1173540.

It is an arithmetic number, because the mean of its divisors is an integer number (64538760).

Almost surely, 2^255808067 is an apocalyptic number.

255808067 is a deficient number, since it is larger than the sum of its proper divisors (2346973).

255808067 is a wasteful number, since it uses less digits than its factorization.

255808067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346972.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 255808067 is about 15994.0009691134. Note that the first 3 decimals coincide. The cubic root of 255808067 is about 634.8016964019.

The spelling of 255808067 in words is "two hundred fifty-five million, eight hundred eight thousand, sixty-seven".