5242240 has 32 divisors (see below), whose sum is σ = 12533760. Its totient is φ = 2096640.

The previous prime is 5242231. The next prime is 5242241. The reversal of 5242240 is 422425.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5242241) by changing a digit.

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, 3456 + ... + 4735.

It is an arithmetic number, because the mean of its divisors is an integer number (391680).

Almost surely, 2^5242240 is an apocalyptic number.

It is an amenable number.

5242240 is an abundant number, since it is smaller than the sum of its proper divisors (7291520).

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

5242240 is an equidigital number, since it uses as much as digits as its factorization.

5242240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8210 (or 8198 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 5242240 is about 2289.5938504460. The cubic root of 5242240 is about 173.7156583785.

Adding to 5242240 its reverse (422425), we get a palindrome (5664665).

The spelling of 5242240 in words is "five million, two hundred forty-two thousand, two hundred forty".