255705752 has 8 divisors (see below), whose sum is σ = 479448300. Its totient is φ = 127852872.

The previous prime is 255705733. The next prime is 255705757. The reversal of 255705752 is 257507552.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255705757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15981602 + ... + 15981617.

Almost surely, 2^255705752 is an apocalyptic number.

It is an amenable number.

255705752 is a deficient number, since it is larger than the sum of its proper divisors (223742548).

255705752 is a wasteful number, since it uses less digits than its factorization.

255705752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31963225 (or 31963221 counting only the distinct ones).

The product of its (nonzero) digits is 122500, while the sum is 38.

The square root of 255705752 is about 15990.8021062109. The cubic root of 255705752 is about 634.7170516947.

The spelling of 255705752 in words is "two hundred fifty-five million, seven hundred five thousand, seven hundred fifty-two".