255800312 has 16 divisors (see below), whose sum is σ = 491324400. Its totient is φ = 124780480.

The previous prime is 255800269. The next prime is 255800317. The reversal of 255800312 is 213008552.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255800317) 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, 389612 + ... + 390267.

It is an arithmetic number, because the mean of its divisors is an integer number (30707775).

Almost surely, 2^255800312 is an apocalyptic number.

It is an amenable number.

255800312 is a deficient number, since it is larger than the sum of its proper divisors (235524088).

255800312 is a wasteful number, since it uses less digits than its factorization.

255800312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779926 (or 779922 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 255800312 is about 15993.7585326277. The cubic root of 255800312 is about 634.7952815183.

Adding to 255800312 its reverse (213008552), we get a palindrome (468808864).

The spelling of 255800312 in words is "two hundred fifty-five million, eight hundred thousand, three hundred twelve".