5256666524 has 6 divisors (see below), whose sum is σ = 9199166424. Its totient is φ = 2628333260.

The previous prime is 5256666461. The next prime is 5256666581. The reversal of 5256666524 is 4256666525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657083312 + ... + 657083319.

It is an arithmetic number, because the mean of its divisors is an integer number (1533194404).

Almost surely, 2^5256666524 is an apocalyptic number.

It is an amenable number.

5256666524 is a deficient number, since it is larger than the sum of its proper divisors (3942499900).

5256666524 is a wasteful number, since it uses less digits than its factorization.

5256666524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314166635 (or 1314166633 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 47.

The square root of 5256666524 is about 72502.8725224042. The cubic root of 5256666524 is about 1738.7486625541.

Subtracting from 5256666524 its reverse (4256666525), we obtain a palindrome (999999999).

The spelling of 5256666524 in words is "five billion, two hundred fifty-six million, six hundred sixty-six thousand, five hundred twenty-four".