6256506266 has 4 divisors (see below), whose sum is σ = 9384759402. Its totient is φ = 3128253132.

The previous prime is 6256506259. The next prime is 6256506323. The reversal of 6256506266 is 6626056526.

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., 6071682241 + 184824025 = 77921^2 + 13595^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564126565 + ... + 1564126568.

Almost surely, 2^6256506266 is an apocalyptic number.

6256506266 is a deficient number, since it is larger than the sum of its proper divisors (3128253136).

6256506266 is a wasteful number, since it uses less digits than its factorization.

6256506266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128253135.

The product of its (nonzero) digits is 777600, while the sum is 44.

The square root of 6256506266 is about 79098.0800399099. The cubic root of 6256506266 is about 1842.6547086889.

The spelling of 6256506266 in words is "six billion, two hundred fifty-six million, five hundred six thousand, two hundred sixty-six".