5256533266 has 4 divisors (see below), whose sum is σ = 7884799902. Its totient is φ = 2628266632.

The previous prime is 5256533239. The next prime is 5256533273. The reversal of 5256533266 is 6623356525.

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., 5197689025 + 58844241 = 72095^2 + 7671^2 .

It is a super-2 number, since 2×5256533266² = 55262283953129253512, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314133315 + ... + 1314133318.

Almost surely, 2^5256533266 is an apocalyptic number.

5256533266 is a deficient number, since it is larger than the sum of its proper divisors (2628266636).

5256533266 is a wasteful number, since it uses less digits than its factorization.

5256533266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628266635.

The product of its digits is 972000, while the sum is 43.

The square root of 5256533266 is about 72501.9535323015. The cubic root of 5256533266 is about 1738.7339698380.

The spelling of 5256533266 in words is "five billion, two hundred fifty-six million, five hundred thirty-three thousand, two hundred sixty-six".