5266560257 has 8 divisors (see below), whose sum is σ = 6019965696. Its totient is φ = 4513414752.

The previous prime is 5266560241. The next prime is 5266560323. The reversal of 5266560257 is 7520656625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5266560257 - 2⁴ = 5266560241 is a prime.

It is a super-2 number, since 2×5266560257² = 55473313881223812098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5266560557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19433 + ... + 104454.

It is an arithmetic number, because the mean of its divisors is an integer number (752495712).

Almost surely, 2^5266560257 is an apocalyptic number.

It is an amenable number.

5266560257 is a deficient number, since it is larger than the sum of its proper divisors (753405439).

5266560257 is a wasteful number, since it uses less digits than its factorization.

5266560257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129967.

The product of its (nonzero) digits is 756000, while the sum is 44.

The square root of 5266560257 is about 72571.0703862083. The cubic root of 5266560257 is about 1739.8388295911.

The spelling of 5266560257 in words is "five billion, two hundred sixty-six million, five hundred sixty thousand, two hundred fifty-seven".