5213440 has 36 divisors (see below), whose sum is σ = 12490884. Its totient is φ = 2084864.

The previous prime is 5213431. The next prime is 5213491. The reversal of 5213440 is 443125.

It can be written as a sum of positive squares in 2 ways, for example, as 1149184 + 4064256 = 1072^2 + 2016^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757 + ... + 3316.

It is an arithmetic number, because the mean of its divisors is an integer number (346969).

Almost surely, 2^5213440 is an apocalyptic number.

It is an amenable number.

5213440 is an abundant number, since it is smaller than the sum of its proper divisors (7277444).

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

5213440 is an equidigital number, since it uses as much as digits as its factorization.

5213440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4094 (or 4080 counting only the distinct ones).

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

The square root of 5213440 is about 2283.2958634395. The cubic root of 5213440 is about 173.3969523208.

Adding to 5213440 its reverse (443125), we get a palindrome (5656565).

The spelling of 5213440 in words is "five million, two hundred thirteen thousand, four hundred forty".