255530312 has 8 divisors (see below), whose sum is σ = 479119350. Its totient is φ = 127765152.

The previous prime is 255530311. The next prime is 255530321. The reversal of 255530312 is 213035552.

255530312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 219217636 + 36312676 = 14806^2 + 6026^2 .

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

It is not an unprimeable number, because it can be changed into a prime (255530311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15970637 + ... + 15970652.

Almost surely, 2^255530312 is an apocalyptic number.

It is an amenable number.

255530312 is a deficient number, since it is larger than the sum of its proper divisors (223589038).

255530312 is a wasteful number, since it uses less digits than its factorization.

255530312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31941295 (or 31941291 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 255530312 is about 15985.3155114311. The cubic root of 255530312 is about 634.5718584596.

Adding to 255530312 its reverse (213035552), we get a palindrome (468565864).

The spelling of 255530312 in words is "two hundred fifty-five million, five hundred thirty thousand, three hundred twelve".