255530266 has 4 divisors (see below), whose sum is σ = 383295402. Its totient is φ = 127765132.

The previous prime is 255530237. The next prime is 255530267. The reversal of 255530266 is 662035552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 131675625 + 123854641 = 11475^2 + 11129^2 .

It is not an unprimeable number, because it can be changed into a prime (255530267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63882565 + ... + 63882568.

Almost surely, 2^255530266 is an apocalyptic number.

255530266 is a deficient number, since it is larger than the sum of its proper divisors (127765136).

255530266 is a wasteful number, since it uses less digits than its factorization.

255530266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127765135.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 255530266 is about 15985.3140726105. The cubic root of 255530266 is about 634.5718203815.

The spelling of 255530266 in words is "two hundred fifty-five million, five hundred thirty thousand, two hundred sixty-six".