5245285664 has 12 divisors (see below), whose sum is σ = 10326656214. Its totient is φ = 2622642816.

The previous prime is 5245285603. The next prime is 5245285667. The reversal of 5245285664 is 4665825425.

It can be written as a sum of positive squares in only one way, i.e., 4691154064 + 554131600 = 68492^2 + 23540^2 .

It is not an unprimeable number, because it can be changed into a prime (5245285667) by changing a digit.

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, 81957557 + ... + 81957620.

Almost surely, 2^5245285664 is an apocalyptic number.

It is an amenable number.

5245285664 is a deficient number, since it is larger than the sum of its proper divisors (5081370550).

5245285664 is a wasteful number, since it uses less digits than its factorization.

5245285664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163915187 (or 163915179 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 47.

The square root of 5245285664 is about 72424.3444153967. The cubic root of 5245285664 is about 1737.4929394258.

The spelling of 5245285664 in words is "five billion, two hundred forty-five million, two hundred eighty-five thousand, six hundred sixty-four".