5253440 has 28 divisors (see below), whose sum is σ = 12510516. Its totient is φ = 2101248.

The previous prime is 5253433. The next prime is 5253449. The reversal of 5253440 is 443525.

It can be written as a sum of positive squares in 2 ways, for example, as 1597696 + 3655744 = 1264^2 + 1912^2 .

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5253449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7889 + ... + 8528.

Almost surely, 2^5253440 is an apocalyptic number.

It is an amenable number.

5253440 is an abundant number, since it is smaller than the sum of its proper divisors (7257076).

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

5253440 is a wasteful number, since it uses less digits than its factorization.

5253440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16434 (or 16424 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 5253440 is about 2292.0383940938. The cubic root of 5253440 is about 173.8392843743.

Adding to 5253440 its reverse (443525), we get a palindrome (5696965).

The spelling of 5253440 in words is "five million, two hundred fifty-three thousand, four hundred forty".