5256664 has 64 divisors (see below), whose sum is σ = 12038400. Its totient is φ = 2104704.

The previous prime is 5256661. The next prime is 5256679. The reversal of 5256664 is 4666525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89067 + ... + 89125.

It is an arithmetic number, because the mean of its divisors is an integer number (188100).

Almost surely, 2^5256664 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 5256664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6019200).

5256664 is an abundant number, since it is smaller than the sum of its proper divisors (6781736).

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

5256664 is a wasteful number, since it uses less digits than its factorization.

5256664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 148 counting only the distinct ones).

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

The square root of 5256664 is about 2292.7415903237. The cubic root of 5256664 is about 173.8748384266.

The spelling of 5256664 in words is "five million, two hundred fifty-six thousand, six hundred sixty-four".