5265664 has 36 divisors (see below), whose sum is σ = 10702384. Its totient is φ = 2585088.

The previous prime is 5265653. The next prime is 5265683. The reversal of 5265664 is 4665625.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16999 + ... + 17305.

Almost surely, 2^5265664 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 5265664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5351192).

5265664 is an abundant number, since it is smaller than the sum of its proper divisors (5436720).

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

5265664 is an equidigital number, since it uses as much as digits as its factorization.

5265664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 376 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 5265664 is about 2294.7034666815. The cubic root of 5265664 is about 173.9740129420.

It can be divided in two parts, 5265 and 664, that added together give a square (5929 = 77²).

The spelling of 5265664 in words is "five million, two hundred sixty-five thousand, six hundred sixty-four".