255861235 has 16 divisors (see below), whose sum is σ = 351830016. Its totient is φ = 174980448.

The previous prime is 255861227. The next prime is 255861241. The reversal of 255861235 is 532168552.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 255861235 - 2³ = 255861227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255861194 and 255861203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3862 + ... + 22948.

It is an arithmetic number, because the mean of its divisors is an integer number (21989376).

Almost surely, 2^255861235 is an apocalyptic number.

255861235 is a deficient number, since it is larger than the sum of its proper divisors (95968781).

255861235 is a wasteful number, since it uses less digits than its factorization.

255861235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19482.

The product of its digits is 72000, while the sum is 37.

The square root of 255861235 is about 15995.6630059526. The cubic root of 255861235 is about 634.8456731210.

The spelling of 255861235 in words is "two hundred fifty-five million, eight hundred sixty-one thousand, two hundred thirty-five".