255845603 has 4 divisors (see below), whose sum is σ = 275526048. Its totient is φ = 236165160.

The previous prime is 255845599. The next prime is 255845647. The reversal of 255845603 is 306548552.

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 255845603 - 2² = 255845599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255845663) 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, 9840203 + ... + 9840228.

It is an arithmetic number, because the mean of its divisors is an integer number (68881512).

Almost surely, 2^255845603 is an apocalyptic number.

255845603 is a deficient number, since it is larger than the sum of its proper divisors (19680445).

255845603 is a wasteful number, since it uses less digits than its factorization.

255845603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19680444.

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 255845603 is about 15995.1743660393. The cubic root of 255845603 is about 634.8327440951.

The spelling of 255845603 in words is "two hundred fifty-five million, eight hundred forty-five thousand, six hundred three".