255851603 has 16 divisors (see below), whose sum is σ = 301323456. Its totient is φ = 212674560.

The previous prime is 255851537. The next prime is 255851611. The reversal of 255851603 is 306158552.

It is not a de Polignac number, because 255851603 - 2⁸ = 255851347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255851653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47075 + ... + 52227.

It is an arithmetic number, because the mean of its divisors is an integer number (18832716).

Almost surely, 2^255851603 is an apocalyptic number.

255851603 is a deficient number, since it is larger than the sum of its proper divisors (45471853).

255851603 is a wasteful number, since it uses less digits than its factorization.

255851603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5374.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 255851603 is about 15995.3619215071. The cubic root of 255851603 is about 634.8377066801.

The spelling of 255851603 in words is "two hundred fifty-five million, eight hundred fifty-one thousand, six hundred three".