255851252 has 6 divisors (see below), whose sum is σ = 447739698. Its totient is φ = 127925624.

The previous prime is 255851251. The next prime is 255851261. The reversal of 255851252 is 252158552.

It can be written as a sum of positive squares in only one way, i.e., 238578916 + 17272336 = 15446^2 + 4156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255851251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31981403 + ... + 31981410.

It is an arithmetic number, because the mean of its divisors is an integer number (74623283).

Almost surely, 2^255851252 is an apocalyptic number.

It is an amenable number.

255851252 is a deficient number, since it is larger than the sum of its proper divisors (191888446).

255851252 is a wasteful number, since it uses less digits than its factorization.

255851252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63962817 (or 63962815 counting only the distinct ones).

The product of its digits is 40000, while the sum is 35.

The square root of 255851252 is about 15995.3509495728. The cubic root of 255851252 is about 634.8374163710.

The spelling of 255851252 in words is "two hundred fifty-five million, eight hundred fifty-one thousand, two hundred fifty-two".