5202640 has 20 divisors (see below), whose sum is σ = 12096324. Its totient is φ = 2081024.

The previous prime is 5202619. The next prime is 5202641. The reversal of 5202640 is 462025.

5202640 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3594816 + 1607824 = 1896^2 + 1268^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5202641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32437 + ... + 32596.

Almost surely, 2^5202640 is an apocalyptic number.

It is an amenable number.

5202640 is an abundant number, since it is smaller than the sum of its proper divisors (6893684).

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

5202640 is a wasteful number, since it uses less digits than its factorization.

5202640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65046 (or 65040 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 5202640 is about 2280.9296350392. The cubic root of 5202640 is about 173.2771349700.

Adding to 5202640 its reverse (462025), we get a palindrome (5664665).

It can be divided in two parts, 520 and 2640, that added together give a triangular number (3160 = T₇₉).

The spelling of 5202640 in words is "five million, two hundred two thousand, six hundred forty".