255808363 has 4 divisors (see below), whose sum is σ = 257237640. Its totient is φ = 254379088.

The previous prime is 255808361. The next prime is 255808387. The reversal of 255808363 is 363808552.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 255808363 - 2¹ = 255808361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255808361) 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 3 ways as a sum of consecutive naturals, for example, 714370 + ... + 714727.

It is an arithmetic number, because the mean of its divisors is an integer number (64309410).

Almost surely, 2^255808363 is an apocalyptic number.

255808363 is a deficient number, since it is larger than the sum of its proper divisors (1429277).

255808363 is a wasteful number, since it uses less digits than its factorization.

255808363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429276.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 255808363 is about 15994.0102225802. The cubic root of 255808363 is about 634.8019412485.

The spelling of 255808363 in words is "two hundred fifty-five million, eight hundred eight thousand, three hundred sixty-three".