255395803 has 4 divisors (see below), whose sum is σ = 275041648. Its totient is φ = 235749960.

The previous prime is 255395761. The next prime is 255395807. The reversal of 255395803 is 308593552.

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-255395803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255395807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9822903 + ... + 9822928.

It is an arithmetic number, because the mean of its divisors is an integer number (68760412).

Almost surely, 2^255395803 is an apocalyptic number.

255395803 is a deficient number, since it is larger than the sum of its proper divisors (19645845).

255395803 is a wasteful number, since it uses less digits than its factorization.

255395803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19645844.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 255395803 is about 15981.1076900195. The cubic root of 255395803 is about 634.4604944931.

The spelling of 255395803 in words is "two hundred fifty-five million, three hundred ninety-five thousand, eight hundred three".