5205680 has 20 divisors (see below), whose sum is σ = 12103392. Its totient is φ = 2082240.

The previous prime is 5205671. The next prime is 5205701. The reversal of 5205680 is 865025.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32456 + ... + 32615.

Almost surely, 2^5205680 is an apocalyptic number.

It is an amenable number.

5205680 is an abundant number, since it is smaller than the sum of its proper divisors (6897712).

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

5205680 is a wasteful number, since it uses less digits than its factorization.

5205680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65084 (or 65078 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 5205680 is about 2281.5959326752. The cubic root of 5205680 is about 173.3108780904.

It can be divided in two parts, 5205 and 680, that added together give a palindrome (5885).

The spelling of 5205680 in words is "five million, two hundred five thousand, six hundred eighty".