5223664525 has 12 divisors (see below), whose sum is σ = 6513136084. Its totient is φ = 4155840000.

The previous prime is 5223664489. The next prime is 5223664531. The reversal of 5223664525 is 5254663225.

It can be written as a sum of positive squares in 6 ways, for example, as 1537110436 + 3686554089 = 39206^2 + 60717^2 .

It is not a de Polignac number, because 5223664525 - 2²⁷ = 5089446797 is a prime.

It is a Duffinian number.

It is a congruent number.

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 in 11 ways as a sum of consecutive naturals, for example, 572676 + ... + 581725.

Almost surely, 2^5223664525 is an apocalyptic number.

It is an amenable number.

5223664525 is a deficient number, since it is larger than the sum of its proper divisors (1289471559).

5223664525 is a wasteful number, since it uses less digits than its factorization.

5223664525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154592 (or 1154587 counting only the distinct ones).

The product of its digits is 432000, while the sum is 40.

The square root of 5223664525 is about 72274.9232099212. The cubic root of 5223664525 is about 1735.1023285078.

The spelling of 5223664525 in words is "five billion, two hundred twenty-three million, six hundred sixty-four thousand, five hundred twenty-five".