5251680 has 144 divisors (see below), whose sum is σ = 20520864. Its totient is φ = 1198080.

The previous prime is 5251663. The next prime is 5251711. The reversal of 5251680 is 861525.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9820 + ... + 10340.

It is an arithmetic number, because the mean of its divisors is an integer number (142506).

Almost surely, 2^5251680 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 5251680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10260432).

5251680 is an abundant number, since it is smaller than the sum of its proper divisors (15269184).

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

5251680 is a wasteful number, since it uses less digits than its factorization.

5251680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 5251680 is about 2291.6544242097. The cubic root of 5251680 is about 173.8198690760.

The spelling of 5251680 in words is "five million, two hundred fifty-one thousand, six hundred eighty".