5205664 has 12 divisors (see below), whose sum is σ = 10248714. Its totient is φ = 2602816.

The previous prime is 5205653. The next prime is 5205667. The reversal of 5205664 is 4665025.

5205664 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4410000 + 795664 = 2100^2 + 892^2 .

It is not an unprimeable number, because it can be changed into a prime (5205667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81307 + ... + 81370.

Almost surely, 2^5205664 is an apocalyptic number.

It is an amenable number.

5205664 is a deficient number, since it is larger than the sum of its proper divisors (5043050).

5205664 is a wasteful number, since it uses less digits than its factorization.

5205664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162687 (or 162679 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 5205664 is about 2281.5924263549. The cubic root of 5205664 is about 173.3107005294.

The spelling of 5205664 in words is "five million, two hundred five thousand, six hundred sixty-four".