5259664 has 40 divisors (see below), whose sum is σ = 11001528. Its totient is φ = 2426880.

The previous prime is 5259641. The next prime is 5259671. The reversal of 5259664 is 4669525.

It can be written as a sum of positive squares in 4 ways, for example, as 6400 + 5253264 = 80^2 + 2292^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16434 + ... + 16750.

Almost surely, 2^5259664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5259664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5500764).

5259664 is an abundant number, since it is smaller than the sum of its proper divisors (5741864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5259664 is a wasteful number, since it uses less digits than its factorization.

5259664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 397 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 5259664 is about 2293.3957355851. The cubic root of 5259664 is about 173.9079091673.

The spelling of 5259664 in words is "five million, two hundred fifty-nine thousand, six hundred sixty-four".