255997750 has 16 divisors (see below), whose sum is σ = 479228256. Its totient is φ = 102399000.

The previous prime is 255997741. The next prime is 255997769. The reversal of 255997750 is 57799552.

255997750 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 255997694 and 255997703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511746 + ... + 512245.

It is an arithmetic number, because the mean of its divisors is an integer number (29951766).

Almost surely, 2^255997750 is an apocalyptic number.

255997750 is a deficient number, since it is larger than the sum of its proper divisors (223230506).

255997750 is a wasteful number, since it uses less digits than its factorization.

255997750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024008 (or 1023998 counting only the distinct ones).

The product of its (nonzero) digits is 992250, while the sum is 49.

The square root of 255997750 is about 15999.9296873455. The cubic root of 255997750 is about 634.9585605462.

The spelling of 255997750 in words is "two hundred fifty-five million, nine hundred ninety-seven thousand, seven hundred fifty".